下一步就是装设一个串联到所有火炮发射线路的总按钮。
The next step was the installation of a master firing key in series with the firing circuits of all the guns.
FriendFeed也不提供暂停上传或终止上传的按钮，另外FriendFeed也没有说明确的说明单个上传文件大小或者每日上传文件总大小的具体限制。
There's no pause or cancel button on uploads, and there are no clear guidelines yet on exactly what the size upload limits are, either for single files or cumulative daily uploads.
还可以通过 YSlow 检查页面的总下载大小（单击 Stats按钮）。
With YSlow, you can also look at the total download size of your page by clicking the Stats button.
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