断开测试系统的电源。

Remove power from the test system.

youdao

您完全控制服务器的状态，所以能够先测试更新，然后再把它们放在更新服务器上，还可以断开服务器与Internet的连接。

You have complete control of the server's status, so you are able to test single updates before releasing them on the update server and to disconnect the server from the Internet.

youdao

还有一个重点需要注意：在清单7中的以下代码行(在下面的清单8中断开)中，这段代码测试每个单元格，确保它们不为空。

One more important note: in the following lines of code from Listing 7, broken out in Listing 8 below, the code tests each cell to make sure it's not null.

youdao