Jobs could open and close Windows, pull down menus, and see how the system would work.

乔布斯可以打开和关闭窗口，下拉菜单，观察系统如何运行。

youdao

The key here is that Open, Read, Write, or Close API system calls work the same regardless of whether the underlying file system is ext3 or Btrfs.

这里的关键之处是，不管底层文件系统是ext3还是Btrfs, Open、Read、Write或Close API系统调用都能正常工作。

youdao

Examine the check valve, cut off valve of auto water supplying system see if open or close correct.

检查自动给水系统的止回阀，截止阀等各阀是否正确开启或关闭。

youdao

It took Schaeffer only five months to analyze the setup and write code that would let him, from his laptop, tell the Scada system to open and close enough breakers to bring down the mock utility--without letting the legitimate operator see what was going on.

FORBES: The Next Threat