“Puerto Rico Trench”的概念、定义、翻译、参考文献-科学参考

单词	Puerto Rico Trench
释义	Puerto Rico Trench Encyclopedia 理学波多黎各海沟释 Puerto Rico Trench波多黎各海沟中大西洋西部的海沟。理学海沟释 Puerto Rico Trench波多黎各海沟中大西洋西部西经59°～68°，北纬17°～20°范围内的一条海沟。
随便看	improper motion improper movement improper multiple integral improper node improper notation improper number improper orthogonal mapping improper orthogonal matrix improper orthogonal transformation improper partial graph improper plane improper point improper principal ordinal improper prior improper quadric improper quotient object improper rational function improper refinement improper representation improper rotation improper rotation group improper sales behavior improper set improper singularity improper subalgebra

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