formation cause
英
美
- 成因
双语例句
- The obliquity of the ecliptic is the fundamental cause of the seasons.
黄道的倾角是季节的基本成因。 - The cause of formation and harm of the land subsidence are introduced, and the control measures are brought forward.
摘要介绍了地面沉降的成因和危害,提出防治措施。
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