2. Boost Unordered Translation (zh_Hans)
3. Doc / Modules / Root / Pages / Reference / Concurrent Flat Map (adoc)
4. Chinese (Simplified Han script)
5. Zen

:1185 :1185
	English Inserts `obj` in the table if and only if there is no element in the table with an equivalent key, and then invokes `f1` with a non-const reference to the newly created element. Otherwise, invokes `f2` with a reference to the equivalent element; such reference is const iff a `*_cvisit` overload is used.
	Chinese (Simplified Han script) ↹ ↵ NBS … 「 」 『 』 ﹙-﹚ ‐ – — 当且仅当容器中不存在等价键的元素时，插入obj，随后以新创建元素的非常量引用调用f1； 否则，以等价元素的引用调用f2；若使用*_cvisit重载版本，则该引用为常量引用。 86/3040 · 304 Needs editing
285 :1248
	English Returns:;; `true` if an insert took place. + Concurrency:;; Blocking on rehashing of `*this`. Notes:;; This function is similiar to xref:#concurrent_flat_map_emplace[emplace], with the difference that no `value_type` is constructed if there is an element with an equivalent key; otherwise, the construction is of the form: + + -- ```c++
	Chinese (Simplified Han script) ↹ ↵ NBS … 「 」 『 』 ﹙-﹚ ‐ – — 返回值：插入成功则返回true。 并发：对当前对象*this进行重哈希时阻塞。 说明：该函数与 xref:#concurrent_flat_map_emplace [emplace] 类似，区别在于若存在等价键的元素，则不会构造value_type；否则，构造形式为： 134/3360 · 336 Needs editing
:1296 :1296
	English Returns:;; `true` if an insert took place. + Concurrency:;; Blocking on rehashing of `*this`. Notes:;; No `value_type` is constructed if there is an element with an equivalent key; otherwise, the construction is of the form: + + -- ```c++
	Chinese (Simplified Han script) ↹ ↵ NBS … 「 」 『 』 ﹙-﹚ ‐ – — 返回值：插入成功则返回true。 并发：对当前对象*this进行重哈希时阻塞。 说明：若存在等价键的元素，则不会构造value_type；否则，构造形式为： 78/2380 · 238 Needs editing
306 :1340
	English Inserts an element constructed from `k` and `args` into the table if there is no existing element with key `k` contained within it, and then invokes `f1` with a non-const reference to the newly created element. Otherwise, invokes `f2` with a reference to the equivalent element; such reference is const iff a `*_cvisit` overload is used.
	Chinese (Simplified Han script) ↹ ↵ NBS … 「 」 『 』 ﹙-﹚ ‐ – — 若容器中不存在键为`k`的元素，则将由`k`和`args`构造的元素插入容器，随后以新创建元素的非常量引用调用`f1`； 否则，以等价元素的引用调用`f2`；若使用`*_cvisit`重载版本，则该引用为常量引用。 107/3370 · 337 Needs editing
:1345 :1345
	English Returns:;; `true` if an insert took place. + Concurrency:;; Blocking on rehashing of `*this`. Notes:;; No `value_type` is constructed if there is an element with an equivalent key; otherwise, the construction is of the form: + + -- ```c++
	Chinese (Simplified Han script) ↹ ↵ NBS … 「 」 『 』 ﹙-﹚ ‐ – — 返回值：插入成功则返回true。 并发：对当前对象*this进行重哈希时阻塞。 说明：若存在等价键的元素，则不会构造value_type；否则，构造形式为： 78/2380 · 238 Needs editing
322 :1398
	English Returns:;; `true` if an insert took place. Concurrency:;; Blocking on rehashing of `*this`. Notes:;; Invalidates pointers and references to elements if a rehashing is issued. + + The `template<class K, class M>` only participates in overload resolution if `Hash::is_transparent` and `Pred::is_transparent` are valid member typedefs. The library assumes that `Hash` is callable with both `K` and `Key` and that `Pred` is transparent. This enables heterogeneous lookup which avoids the cost of instantiating an instance of the `Key` type.
	Chinese (Simplified Han script) ↹ ↵ NBS … 「 」 『 』 ﹙-﹚ ‐ – — 返回值：插入成功时返回`true`。 并发：执行重哈希操作时会阻塞当前对象`*this`。 说明：若触发重哈希，将使指向元素的指针和引用失效。 `template<class k,="" class="" m="">` 仅当 `Hash::is_transparent` 和 `Pred::is_transparent` 为有效成员类型别名时才参与重载决议。库假定`Hash`可同时接受`K`与`Key`类型参数调用，且`Pred`是透明的。这支持异构查找，避免了实例化`Key`类型对象的开销。</class> 256/5360 · 536 Needs editing
327 :1415
	English Returns:;; The number of elements erased (0 or 1). Throws:;; Only throws an exception if it is thrown by `hasher` or `key_equal`. Notes:;; The `template<class K>` overload only participates in overload resolution if `Hash::is_transparent` and `Pred::is_transparent` are valid member typedefs. The library assumes that `Hash` is callable with both `K` and `Key` and that `Pred` is transparent. This enables heterogeneous lookup which avoids the cost of instantiating an instance of the `Key` type.
	Chinese (Simplified Han script) ↹ ↵ NBS … 「 」 『 』 ﹙-﹚ ‐ – — 返回值：删除的元素数量（0 或 1）。 异常：仅当哈希函数`hasher`或键比较函数`key_equal`抛出异常时才会抛出异常。 说明：仅当`Hash::is_transparent`和`Pred::is_transparent`为有效的成员类型别名时，`template<class k="">`重载版本才参与重载决议。库假定`Hash`可同时接受`K`与`Key`类型的参数调用，且`Pred`是透明的。该设计支持异构查找，避免了实例化`Key`类型对象的开销。</class> 243/4960 · 496 Needs editing
332 :1430
	English Returns:;; The number of elements erased (0 or 1). Throws:;; Only throws an exception if it is thrown by `hasher`, `key_equal` or `f`. Notes:;; `f` is passed a non-const reference to `x`. + + The `template<class K, class F>` overload only participates in overload resolution if `std::is_execution_policy_v<std::remove_cvref_t<ExecutionPolicy>>` is `false`. + + The `template<class K, class F>` overload only participates in overload resolution if `Hash::is_transparent` and `Pred::is_transparent` are valid member typedefs. The library assumes that `Hash` is callable with both `K` and `Key` and that `Pred` is transparent. This enables heterogeneous lookup which avoids the cost of instantiating an instance of the `Key` type.
	Chinese (Simplified Han script) ↹ ↵ NBS … 「 」 『 』 ﹙-﹚ ‐ – — 返回值：删除的元素数量（0 或 1）。 异常：仅当哈希函数`hasher`、键比较函数`key_equal`或函数`f`抛出异常时才会抛出异常。 说明：`f`接收元素`x`的非常量引用。 仅当`std::is_execution_policy_v<std::remove_cvref_t<executionpolicy>&gt;`为`false`时，`template<class k,="" class="" f="">`重载版本才参与重载决议。 仅当`Hash::is_transparent`和`Pred::is_transparent`为有效的成员类型别名时，`template<class k,="" class="" f="">`重载版本才参与重载决议。库假定`Hash`可同时接受`K`与`Key`类型的参数调用，且`Pred`是透明的。该设计支持异构查找，避免了实例化`Key`类型对象的开销。</class></class></std::remove_cvref_t<executionpolicy> 461/7270 · 727 Needs editing
337 :1448
	English Returns:;; The number of elements erased. Throws:;; Only throws an exception if it is thrown by `f`.
	Chinese (Simplified Han script) ↹ ↵ NBS … 「 」 『 』 ﹙-﹚ ‐ – — 返回值：被删除的元素数量。 异常：仅当函数 `f` 抛出异常时才会抛出异常。 38/1000 · 100 Needs editing
342 :1462
	English Throws:;; Depending on the exception handling mechanism of the execution policy used, may call `std::terminate` if an exception is thrown within `f`. Notes:;; Only available in compilers supporting C++17 parallel algorithms. + + This overload only participates in overload resolution if `std::is_execution_policy_v<std::remove_cvref_t<ExecutionPolicy>>` is `true`. + + Unsequenced execution policies are not allowed.
	Chinese (Simplified Han script) ↹ ↵ NBS … 「 」 『 』 ﹙-﹚ ‐ – — 异常：根据所使用执行策略的异常处理机制，若`f`内部抛出异常，可能会调用`std::terminate`终止程序。 说明：仅在支持C++17并行算法的编译器中可用。 仅当`std::is_execution_policy_v<std::remove_cvref_t<executionpolicy>&gt;`为`true`时，该重载版本参与重载决议。 不允许使用无顺序执行策略。</std::remove_cvref_t<executionpolicy> 229/4160 · 416 Needs editing
353 :1496
	English Postconditions:;; `size() == 0`, `max_load() >= max_load_factor() * bucket_count()` Concurrency:;; Blocking on `*this`.
	Chinese (Simplified Han script) ↹ ↵ NBS … 「 」 『 』 ﹙-﹚ ‐ – — 后置条件：容器大小 `size() == 0`，且 `max_load() &gt;= max_load_factor() * bucket_count()` 并发：会阻塞当前对象 `*this`。 99/1190 · 119 Needs editing
358 :1512
	English Returns:;; The number of elements inserted. Concurrency:;; Blocking on `*this` and `source`.
	Chinese (Simplified Han script) ↹ ↵ NBS … 「 」 『 』 ﹙-﹚ ‐ – — 返回值：插入的元素数量。 并发：会阻塞当前对象 `*this` 和源对象 `source`。 46/920 · 92 Needs editing
376 :1559
	English Returns:;; The number of elements with key equivalent to `k` (0 or 1). Notes:;; The `template<class K>` overload only participates in overload resolution if `Hash::is_transparent` and `Pred::is_transparent` are valid member typedefs. The library assumes that `Hash` is callable with both `K` and `Key` and that `Pred` is transparent. This enables heterogeneous lookup which avoids the cost of instantiating an instance of the `Key` type. + + In the presence of concurrent insertion operations, the value returned may not accurately reflect the true state of the table right after execution.
	Chinese (Simplified Han script) ↹ ↵ NBS … 「 」 『 』 ﹙-﹚ ‐ – — 返回值：匹配键 `k` 的元素数量（0 或 1）。 说明：仅当 `Hash::is_transparent` 和 `Pred::is_transparent` 为有效成员类型别名时，`template<class k="">` 重载版本才参与重载决议。库假定哈希函数可同时作用于 `K` 类型与键类型，且相等谓词是透明的，从而支持异构查找，避免实例化键类型带来的开销。 若存在并发插入操作，返回值可能无法精确反映容器执行后的真实状态。</class> 226/5900 · 590 Needs editing
380 :1575
	English Returns:;; A boolean indicating whether or not there is an element with key equal to `k` in the table. Notes:;; The `template<class K>` overload only participates in overload resolution if `Hash::is_transparent` and `Pred::is_transparent` are valid member typedefs. The library assumes that `Hash` is callable with both `K` and `Key` and that `Pred` is transparent. This enables heterogeneous lookup which avoids the cost of instantiating an instance of the `Key` type. + + In the presence of concurrent insertion operations, the value returned may not accurately reflect the true state of the table right after execution.
	Chinese (Simplified Han script) ↹ ↵ NBS … 「 」 『 』 ﹙-﹚ ‐ – — 返回值：布尔值，表示容器中是否存在键等于 `k` 的元素。 说明：仅当 `Hash::is_transparent` 和 `Pred::is_transparent` 为有效成员类型别名时，`template<class k="">` 重载版本才参与重载决议。库假定哈希函数可同时作用于 `K` 类型与键类型，且相等谓词是透明的，从而支持异构查找，避免实例化键类型带来的开销。 若存在并发插入操作，返回值可能无法精确反映容器执行后的真实状态。</class> 230/6230 · 623 Needs editing
402 :1635
	English Returns:;; The maximum number of elements the table can hold without rehashing, assuming that no further elements will be erased. Note:;; After construction, rehash or clearance, the table's maximum load is at least `max_load_factor() * bucket_count()`. This number may decrease on erasure under high-load conditions. + + In the presence of concurrent insertion operations, the value returned may not accurately reflect the true state of the table right after execution.
	Chinese (Simplified Han script) ↹ ↵ NBS … 「 」 『 』 ﹙-﹚ ‐ – — 返回值：容器在不进行重哈希的前提下可容纳的最大元素数量（假定不会再擦除任何元素）。 说明：容器在构造、重哈希或清空后，其最大负载量至少为 `max_load_factor() * bucket_count()`。在高负载条件下执行擦除操作时，该数值可能会降低。 若存在并发插入操作，返回值可能无法精确反映容器执行后的真实状态。 163/4700 · 470 Needs editing
406 :1649
	English Changes if necessary the size of the bucket array so that there are at least `n` buckets, and so that the load factor is less than or equal to the maximum load factor. When applicable, this will either grow or shrink the `bucket_count()` associated with the table.
	Chinese (Simplified Han script) ↹ ↵ NBS … 「 」 『 』 ﹙-﹚ ‐ – — 效果：必要时调整桶数组的大小，使桶数量至少为 `n`，且负载因子小于等于最大负载因子。 适用场景下，该操作会**增大或缩小**容器的桶数量 `bucket_count()`。 87/2640 · 264 Needs editing
409 :1656
	English Throws:;; The function has no effect if an exception is thrown, unless it is thrown by the table's hash function or comparison function. Concurrency:;; Blocking on `*this`. ---
	Chinese (Simplified Han script) ↹ ↵ NBS … 「 」 『 』 ﹙-﹚ ‐ – — 异常：若抛出异常，函数无任何效果（由容器的哈希函数或比较函数抛出的异常除外）。 并发：阻塞当前对象 `*this`。 58/1760 · 176 Needs editing
415 :1672
	English Throws:;; The function has no effect if an exception is thrown, unless it is thrown by the table's hash function or comparison function. Concurrency:;; Blocking on `*this`.
	Chinese (Simplified Han script) ↹ ↵ NBS … 「 」 『 』 ﹙-﹚ ‐ – — 异常：若抛出异常，函数无任何效果（由容器的哈希函数或比较函数抛出的异常除外）。 并发：阻塞当前对象 `*this`。 58/1720 · 172 Needs editing
420 :1685
	English Returns:;; A statistical description of the insertion and lookup operations performed by the table so far. Notes:;; Only available if xref:reference/stats.adoc#stats[statistics calculation] is xref:concurrent_flat_map_boost_unordered_enable_stats[enabled].
	Chinese (Simplified Han script) ↹ ↵ NBS … 「 」 『 』 ﹙-﹚ ‐ – — 返回值：容器截至目前执行的插入与查找操作的统计描述信息。 说明：仅当**启用统计计算**时，该函数才可用。 53/2560 · 256 Needs editing
424 :1696
	English Effects:;; Sets to zero the internal statistics kept by the table. Notes:;; Only available if xref:reference/stats.adoc#stats[statistics calculation] is xref:concurrent_flat_map_boost_unordered_enable_stats[enabled].
	Chinese (Simplified Han script) ↹ ↵ NBS … 「 」 『 』 ﹙-﹚ ‐ – — 效果：将容器维护的内部统计数据归零。 说明：仅当**启用统计计算**时，该函数才可用。 43/2160 · 216 Needs editing