在使用对象池时，分配、初始化、回收和终结只发生一次，从而减少了内存使用和所需的处理时间。
When using an object pool, the allocation, initialization, collection, and finalization only occur once, reducing both the memory usage and the processing time that is required.
池机制相当简单：对象被重新使用，而不是让它被垃圾回收器回收。
Pooling is quite simple: an object is reused instead of allowing it to be reclaimed by the garbage collector.
对象池机制可以降低应用程序所需的分配的数量，从而降低应用程序所需的垃圾回收的数量。
Object pooling reduces the number of allocations, and therefore the number of garbage collections, required by an application.
一个活性污泥系统包括一个均衡盆地，一个沉淀池，曝气盆地的，一个澄清和污泥回收线。
An activated sludge system consists of an equalization basin, a settling tank, an aeration basin, a clarifier, and a sludge recycle line.
设立回收存储池的主要目的是临时存放被回收的数据。
The primary purpose of the reclamation storage pool is for temporary storage of reclaimed data.
任何不能被移动到回收存储池所含卷的数据仍然会保留在源存储池的卷中。
Any data that could not be moved to volumes in the reclamation storage pool still remains on volumes in the original storage pool.
库应用程序具有其主机进程的回收和池属性。
Library applications have the recycling and pooling properties of their host process.
回收存储池的池的类型必须是主顺序存储池。
The pool identified as the reclamation storage pool must be a primary sequential storage pool.
对自制银滴定池的使用性能，影响氯回收率的因素及干扰元素作了考察。
The author investigated the performance of the self-made silver titration apparatus and the factors and interference elements which influenced the Chlorine recovery rate.
只 有那些生存周期很长的对象，才适合使用对象池技术，因为对它们进行垃圾回收的成本很高。
It's the long-lived objects, such as ones you might pool, that are expensive to garbage collect.
只 有那些生存周期很长的对象，才适合使用对象池技术，因为对它们进行垃圾回收的成本很高。
It's the long-lived objects, such as ones you might pool, that are expensive to garbage collect.
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