是时候做些有趣的事了：画一个具有黑色和白色部件的机器人。
Time for some fun: invent a creature or a robot that has black segments and white segments.
之后样式应用于线框通过与在顶部小部件左上角黑色和白色正方形互动，您可以预览它们。
After the styles are applied, you can preview them in the wireframe by interacting with the black and white square in the top left corner of the widget.
为此，针对残膜白色污染问题，采用农机农艺相结合的方法，研究设计了链条式烟田苗期地膜回收机。详细介绍了收膜机的总体结构及主要工作部件挑膜、起膜、送膜和卸膜的设计原理。
Aiming to the problem of white pollution and using the method that combine agricultural machinery and agronomic together, we design a miniature machine for retrieving plastic film of tobacco seedling.
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