Gravitational field is a kind of vector field, and the description of gravitational force by general relativity is very effective.
引力场是一种矢量场，广义相对论对引力问题的描述是非常有效的。
Gravitational field is a kind of vector field, and the description of gravitational force by general relativity is very effective.
引力场是一种矢量场，广义相对论对引力问题的描述是非常有效的。
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