1) mass energy cycle
质能循环
2) energy cycle of matter
物质能量循环
1.
Taking Chun' an County on Qiandao Lake in Zhejiang Province,this paper expounds vivid ly the mutual effect of a regional energy cycle of matter and natural bio -purification on the protection and construction of urban environment.
正确认识水和磷的循环作用及其丰度和效益,开发得当,将为环境保护和建设发挥出巨大的作用,反之,也可能产生负面的影响,文章以千岛湖畔淳安县为例,生动地阐明一个地区的物质能量循环和生物自然净化作用对城市环境保护和建设的相互作用。
3) transition cycle of mass and energy
物质和能量转化的循环
1.
Self-organization is a continuous transition cycle of mass and energy which is formed by the mechanism of mass energy feedback.
自组织是连续不断的物质和能量转化的循环过程 ,自组织的循环过程是通过质能反馈机制形成的。
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：循环系统的进化环节动物的封闭式循环系统
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