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地球参考系
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地球参考系
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理学
地球参考系
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terrestrial reference system;TRS
地球参考系
为了描述和研究地球上的各种运动学和动力学现象,以及地球在空间的定向运行(日长变化和岁差章动)和地面上点位的相对运动,将地球作为一个整体考虑,所建立的固连于地球的参考系。简称TRS。
Astronomy
terrestrial reference system
地球参考系
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non-stoichiometric compound
nonstoichiometric compound
nonstoichiometric crystal
nonstoichiometry
nonstop computing
non-straightness
non-strategic game
non-stretching mapping
non-strict
non-strictly determined game
non-strict maximum point
non-strict minimum point
non-structural adhesive
non-structural glulam
non structural members
non-structured mesh
non-structure flood control measures
non-substantial chord
non-substitution of plant essential nutrients
non-sufficient irrigation
non-summable
non-supervised learning
nonsuppurative encephalitis
non-symbolic factorization
nonsymmetric
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