分代垃圾收集器把堆分成多代；多数JVM使用两代，“年轻代”和“年老代”。
A generational garbage collector divides the heap into multiple generations; most JVMs use two generations, a "young" and an "old" generation.
还应该分析gc日志，以了解年老代空间回收的频率；最优的分代应用程序进行年老代空间回收操作的频率应该非常低。
You should also analyze GC logs to understand how frequently the tenured space gets collected; an optimal generational application will have very infrequent collection in the tenured space.
要确定年老代空间大小，最佳方法可能是在每次采用缺省模式进行 GC 操作之后查看可用堆的量（可用堆百分比乘以总堆大小）。
The best way to determine the tenure space size is probably to look at the amount of free heap that exists after each GC in default mode (%free heap x Total heap size).
对婚姻的神圣性最为不在乎的并非是多变的年轻人，而是年老的一代。
Indifference towards the sacrament of marriage appears strongest among the elderly, not the feckless young.
年老一代厌倦了打斗，年轻人则不屑于去打斗。
The older generation was tired of fighting, and young people couldn't be bothered.
尤其是由已故或已经年老无法再创作的大家如吴老在20世纪20年代到50年代期间创作的作品，这些作品深受西方绘画风格的影响，价格也扶摇直上。
In particular, prices of those painted in the Western-influenced style that emerged between the 1920s and the 1950s have skyrocketed as big names-like wu-die or become too old to paint.
只管他没有以为本身是他这一代的荧幕明星，但他无疑曾经证实了现今中国年老演员的先天。
Still, though he holds himself apart from his generation of screen stars, he undoubtedly serves as testament to the talent of young actors in China today.
只管他没有以为本身是他这一代的荧幕明星，但他无疑曾经证实了现今中国年老演员的先天。
Still, though he holds himself apart from his generation of screen stars, he undoubtedly serves as testament to the talent of young actors in China today.
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