展开树中的Rules文件夹并单击选择Coordinates规则。
Expand the Rules folder in the tree and click on the Coordinates rule to select it.
展开树,浏览至app模式的Tables文件夹下的flights表。
Expand the tree and browse to the FLIGHTS table under the Tables folder for the APP schema.
或者展开树中的节点时,最好先显示一个子节点说明“正在提取报价……”。
Alternatively, when expanding a node in a tree, it is best to first show a child node that says something like "Getting quotes."..
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