“gravitational systems of units”的概念、定义、翻译、参考文献-科学参考

单词	gravitational systems of units
释义	gravitational systems of units [´grav·ǝ`tā·shǝn·ǝl ¦sis·tǝmz ǝv `yü·nǝts] ^MECHANICS Systems in which length, force, and time are regarded as fundamental, and the unit of force is the gravitational force on a standard body at a specified location on the earth's surface.
随便看	finite discontinuity finite elasticity theory finite element method finite extension finite group finite intersection property of a family of sets finitely generated extension finite mathematics finite matrix finite measure space finite moment theorem finite plane finite population finite precision number finite quantity finite series finite set finite-state machine finite strain theory fin keel Fink truss finned surface finnemanite fin-reinforcing assembly fin rot

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