ZA Zero and Add 零与加〖指令
When you add a new region, it becomes part of the application server network and can exchange information with other regions with zero effort.
当您增加了一个新地点,它就成为应用服务网络中的一部分,并且可以与其他地点以零代价交换消息。
Open the ivy.xml file, and in the Zero Package Information pane, click Add...
打开ivy . xml文件,并在Zero Package Information窗格中单击add…。
You have to add this vector to have zero so this is minus a and so minus a is nothing but the same as a but flipped over 180 degrees.
你需要加上这个矢量来得到,负a是这样,因此- A和A几乎一样,只是转了180度。
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