Evan fixed our Thread support and added some preemption.

Evan修改了对于线程的支持，并且添加了一些优先级别。

youdao

This function is not available when thread support is disabled at compile time.

这个函数在编译时禁用线程支持的情况下不可用。

youdao

First, it initializes those system classes that don't require thread support by executing their static initializers.

首先，它初始化这些系统类不需要线程支持来执行这些静态的初始化。

youdao

Similar problems occurred with Lion when it launched last year, resulting in a 177 page thread on Apple Support Communities.

FORBES: Links 7 August: Apple's Mountain Lion Battery Problems Edition