本文依据物理测量单位可变换本质，定义了量纲相似常数。

In this paper the dimension resemblance constants have been defined basing on the changeable essence of physical units.

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本实用新型属于钥匙扣的领域，特别涉及一种可变换成各种颜色 的钥匙扣。

The utility model pertains to the field of key chain, in particular to a key chain that can change into different colors.

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由装有可变换的轮状叶片的容器组成的器具，用来制备食物，如用于撕碎、切片、剁、混合。

An appliance consisting of a container housing interchangeable rotating blades and used for preparing foods, as by shredding, slicing, chopping, or blending.

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