“氡及子体活度计量技术”的概念、定义、翻译、参考文献-科学参考

单词	氡及子体活度计量技术
释义	氡及子体活度计量技术 Encyclopedia 工学氡及子体活度计量技术释 metrology technology for radon nuclides and their decay products氡及子体活度计量技术常温下为气态的222Rn、220Rn核素活度的绝对测量，以及222Rn、220Rn的衰变子体的单位体积活度的绝对测量。
随便看	geometrically integral geometrically irreducible variety geometrically reduced geometrically reductive group geometrically regular geometrically ruled surface geometrically simple eigenvalue geometrically stable system geometrically thin lens geometrical optical illusion geometrical optics geometrical optics method geometrical properties of cross-section geometrical properties of discontinuity geometrical resolution geometrical room acoustics geometrical short-range-order geometrical stability of structures geometrical structure factor geometrical summation of pinning force geometrical tolerances geometrical variable geometric analog geometric analysis geometric approach to nonlinear control

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