man-made element
英 [mæn meɪd ˈelɪmənt]
美 [mæn meɪd ˈelɪmənt]
人造放射性元素
双语例句
- Roxarsone is a kind of man-made organic compound contains Arsenic element, which has been used for years as an additive in animal's diet to accelerate animal growth.
洛克沙砷作为一种人工合成的有机砷化物，被大量用作动物促生长添加剂添加到畜禽饲料中。 - Difference of trace element contents is remarkable between cultivated land and uncultivated land. The man-made activities are primary factors leading to the changes of trace element contents of purple soil in the Three Gorges Reservoir region.
耕作土和非耕作土中微量元素含量差异明显，人为活动是引起库区紫色土微量元素含量变化的主要因素。 - By taking man-made satellite module layout for example, applying the properties such as isomorph and equivalence relation of several layout plans to set operation, trajectory and equivalence class, a globally optimal algorithm of circle element layout problem is given.
以人造卫星仪器舱布局为例，应用图论、群对集合的作用、轨道与等价类等刻划各种布局方案的同构、等价关系等性质，给出了圆形图元布局的问题的一种全局优化算法。 - The chapter five gets a conclusion for architecture concept design methods through the analysis of the first two chapter, which based on natural environmental element and man-made environmental element.
第五章是通过前两章的分析，总结出基于基本环境要素、直接环境要素的建筑概念设计方法。