trace dements 微量元素
isotopic dements 同位素
procedural dements 构成要素
aesthetic dements 美感因素
structural dements 结构构成
V to deteriorate mentally, esp because of old age (尤指因为年龄而)精神衰退
The dements of the teaching process in physical Education are the dynamic reflections.
体育教学过程是体育各要素——教师、学生、知识的动态体现。
The source, influence and control of the impurity dements in samarium are described in this paper.
本文在实验的基础上论述了钐中杂质的来源，影响及控制方法。
Bulk optical polishing and segmenting manufacture method which is usually used for parallel plane dements, is not suited for micro-wedge mirrors.
微楔形镜的加工不能像平行平面元件那样，采用大块抛光，切片分割的办法。
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