When light from a single direction (e.g. our sun) hits an object, part of the object is in shadow.

当单一光源例如太阳照到某个物体上，物体的一部分会处于阴影中。

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After finding the same or similar part object, we can reuse the part object.

找到相同或相似零件对象后，在某个类层次上重用以前的设计。

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The attribute of VEM part object is specified with parametric method based on feature. The feature classes and part classes are defined.

利用基于特征的零件参数化方法确定了立磨机零件对象的属性，并对各特征类和零件类进行定义。

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Because the Mac team has always understood that really great design makes an object seem like a hitherto-unknown part of oneself, a new way to encounter and express yourself in the outside world.

FORBES: Happy Birthday, Mac!

He has already helped to track down a more recent, smaller impact (a mere 2.15m years ago, and involving an object somewhere between one and four kilometres across) to another part of the Pacific ocean, south-west of Chile.

ECONOMIST: Paleoforensic science