如果，在初始迭代中，项目看起来像是失败的，并且面对着不可克服的风险等级，那么发起人可以退出而不会带来很大的损失。
If, during the initial iterations, the project looks as though it has been dealt a losing hand, and faces insurmountable levels of risk, then the sponsors can drop out without great loss.
如果这个调用失败，就会从没有机会正确初始化自己的各个子系统得到多个错误消息。
If you fail to do this, you will get several errors from various subsystems that didn't have a chance to properly initialize themselves.
如果no - os线程变量在初始化变量结构中已经设置，对C_Initialize的调用将会失败。
If the no-os threads argument is set in the initialize arguments structure, the call to C_Initialize will fail.
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