Also, zero-copy operations reduce the number of time-consuming mode switches between user space and kernel space.
同样，零-拷贝操作减少了耗费时间的用户态-系统态状态切换的次数，从而节省了时间。
Two-dimensional space to enter the time to zero, that is only one way to destroy their own lives so that all body movement to stop the media.
而进入二维空间把时间降低到零，方法只有一个那就是摧毁自己的生命，使所有肉身介质的运动停止。
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