1) impurity recycling
杂质循环
1.
Study of impurity recycling at the edge in HT-6M Tokamak;
HT-6M托卡马克边界杂质循环的研究
2) Complex circle
复杂循环
3) loop-within-loop
循环套循环;复杂循环
5) matter circulation
物质循环
1.
Inquiry on matter circulation and energy circulation in a food chain in Heidong Cave of Guizhou Province;
贵州黑洞内一个食物链层次上的物质循环和能量流通探讨
2.
The traditional core theory of ecology is “matter circulation” and “ecology b alance”,which cultivates the concept that the limited physical resources can be exploited limitlessly through matter circulation,setting the foundation for the theory of constant stability of ecology.
传统生态学的核心理论是“物质循环”和“生态平衡”。
3.
the essay analyzes characteristics of matter circulation of agricultural eco-economysystem in high cold and semi-arid area of Bashang by taking yejia village for an instance.
以叶家村为例,分析了坝上高寒半干旱区农业生态经济系统物质循环特征,提出了该区农业经济可持续发展的一系列对策。
6) quality cycle
质量循环
1.
First of all,this paper narrated mechanical product quality cycle and integrative effectiveness briefly,and indicated the status of materials among all the elements in the entire process of manufacture.
首先对机械产品的质量循环过程及综合使用效能进行了扼要的叙述,指出了材料在机械产品制造全过程诸要素中的定位,然后阐述了材料科学与工程学科的组成要素、内涵和材料使用效能的作用;最后提出材料的失效分析预测预防是材料研究、开发和产业化的逆向思维和"反面教员",是材料研发过程的正向思维的重要补充,并且认为正向思维与逆向思维的有机结合是发展材料研究、开发和产业化的捷径和事业发展和人才成功的有效途径之一。
补充资料：循环系统的进化鱼的循环系统
李瑞端绘
[图]
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条