So, in our previous update example, we were modifying the Pilot child of a Car object.
那么，在我们前一个修改的例子里，我们修改了一个汽车对象的子对象驾驶员。
The results of this study are very useful to guide modifying design of the Zhuan 8A freight car bogies.
本文研究所得到的结果对指导转8A转向架的改进设计起到积极作用。
The results of this study are very useful to guide modifying design of the Zhuan 8A freight car bogies.
本文研究所得到的结果对指导转8A转向架的改进设计起到积极作用。
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