理学 意识心理 释 activity 活动 具有明确目的并完成一定社会职能的各种动作的总和。
activity 活动 moving 滑动，活动，移动；滑动的，活动的，移动的
计算机应用 信息系统与信息化 释文 activity 活动
- valence band spectra
- valence band structure
- valence bond
- valence bond configuration interaction(VBCI)method
- valence bond perturbation theory(VBPT)method
- valence bond self-consistent field(VBSCF)method
- valence bond structure
- valence bond theory
- valence-bond theory
- valence controllable semiconductor
- valence correspondence
- valence crystal
- valence deflection angle
- valence electron
- valence electron approximation
- valence fluctuation
- valence instability
- valence isomerism
- valence-matching principle
- valence nucleon
- valence number
- valence of an atom
- valence quark
- valence shell electron pair repulsion
- valence shell electron pair repulsion theory