There are not hard and fast rules about this but most darts normally fold in towards the cf or cb. see arrows in figure13-10. press a way from cf.

关于这一点没有硬性的规定，但是大多数省道通常向前中心线或后中心线烫倒。

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Create a new mapping model by clicking new, next to the mapping model file name, or select an existing mapping model by clicking the browse button (...), as shown in Figure13.

点击映射模型文件名字旁边的New，或者点击浏览按钮(…)来选择一个已存在的映射模型，来创建一个新的映射模型，如图13所示。

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