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Wikipedia

Configuration space:

In classical mechanics, the parameters that define the configuration of a system are called "generalized coordinates," and the vector space defined by these coordinates is called the configuration space of the physical system.

位形空间:

经典力学中，位形空间（或译组态空间）是一个物理系统可能处于的所有可能状态的空间，可以有外部约束。