“closed isotope system”的概念、定义、翻译、参考文献-科学参考

单词	closed isotope system
释义	closed isotope system Encyclopedia 工学〔地学中核技术〕释 closed isotope system同位素封闭体系在系统形成之后的地质作用中，对所研究的元素和同位素而言，没有物质的带入和迁出的体系。
随便看	trigonal trigonal aspect trigonal carbon trigonal crystal system trigonal dipyramid trigonal hybridization trigonalizable trigonalizable element trigonalizable matrix trigonal lattice trigonal planar configuration trigonal point trigonal residue trigonal system trigonalyids trigondodecahedron trigoneutism trigono- trigonometric trigonometric addition formula trigonometrical trigonometrical form of complex number trigonometrically conjugate functions trigonometrical sum trigonometric angle

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