1) system trade-off
系统权衡
2) Relation trade-off
关系权衡
3) trade-off relations
权衡关系
1.
It was studied that growth character, reproductive character, reproductive allocation, the trade-off relations of clonal growth and sexual reproduction of Iris japonica Thunb under different soil nu.
在田间实验中对蝴蝶花进行了高、中、低养分(N、P、K)水平处理,从生长特征、繁殖特征、繁殖分配、克隆生长和有性繁殖的权衡关系等方面进行了研究。
4) phyletic weighting
谱系权衡
5) system balance
系统平衡
1.
And the ideal for system balance built up was proposed.
基于烧结工序取消热筛改造及其特征,构筑了烧结系统3个平衡,提出了建立系统平衡的理念。
2.
After discussing the importance of the system balance, positive and comprehensive balance of the system and the principles of rejusting the balance, the author puts forwards some reasonable proposals for increasing chemical recovery efficiency.
本文从碱回收的实践与观察出发,论述了系统平衡是提高效率、优化效益的前提,平衡应是积极的平衡。
3.
Based on the inter-constraint and inter-adjustment system balance between environment and earthwork,the environment earthwork problems in permafrost region of Qinghai-Tibet plateau is discussed with a view of macro and micro environment.
基于环境与土工相互制约、相互调整的系统平衡关系,从大环境问题和小环境的角度,探讨了青藏高原多年冻土地区的环境土工问题。
6) balance system
平衡系统
1.
The breakdown of hydraulic balance system of eleven roller plate straightener are analysed and interrelating problems are solved.
通过对中板厂 11辊矫直机上辊系液压平衡系统故障进行分析 ,并针对相关问题进行改进 ,取得了效
2.
Analysis and calculating of spring balance system is introduced.
提出了一种可大幅度提高抽油杆冲程的圆柱链低矮式超长冲程抽油机 ,介绍了其工作原理、特制链轮的计算模型和计算方法 ,并对弹簧平衡系统进行了分析和计算。
3.
According to the sorts of balance system,work principle,basic structure,advantages and Disadvantages of each balance system,the reason that the air Balance system has been widely used is presented.
结合自己的实际工作经验,从Z轴平衡系统的分类写起,每种平衡系统的工作原理、基本结构及其优缺点的比较,指出空气平衡系统应用最广泛的原因。
补充资料:楚子铜权衡
中国战国时期楚国的一套砝码。为一套比较完整的天平砝码。衡杆木质,中间有提纽,两端各以 4根丝线系铜盘,全组铜权共 6枚,环形,重量以倍数递增,分别为六铢、十二铢、一两、二两、四两、半斤,在第四枚权上刻"之官环"。""是""和"子"的合文,"官环"是官府监制的环形铜权之意。原楚国境内常有环形权出土,少则 1枚,最多的一套是10枚,这类小型天平砝码常常用来称"市"上流通的金币,故称量小,准确度也较高。实测半斤权重125.5克,每斤合251克,现藏重庆市博物馆。
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