1) crown area overlap index
树冠叠加指数
2) summation exponent
叠加指数
1.
There exist differences between traction loads and general loads in determination of the agreed power of the consumer and the total available power,harmonic summation exponent and coincidence factors of multiple harmonic sources.
电气化铁道牵引负荷与普通电力负荷在协议容量和供电容量的确定、谐波叠加指数和多谐波源同时系数3个方面存在差别,因此前者的谐波发射限值的分配方法也与后者的不同,建议采用IEC 61000-3-6中的3级评估法。
3) crown overlappable coefficient
树冠可重叠系数
4) exponential addition rule
指数叠加法
1.
Anisotropy of 2090 Al-Li alloy and the role of cerium are studied by the exponential addition rule.
本文采用指数叠加法研究了 2 0 90铝锂合金的各向异性和稀土 Ce的作用。
5) tree crown overlapping
树冠重叠
1.
The paper analyzed the relationships between tree crown overlapping and ring radical growth based on ring materials of canopy trees.
以长白山红松阔叶林林冠木的年龄资料为基础,分析林木树冠重叠与年轮径向生长的关系;通过林冠空隙边缘的空隙边缘株的干扰释压分析,揭示林冠空隙集中形成的动态规律。
6) crown-area index
树冠面积指数
补充资料：树冠
1.乔木树干以上连同集生枝叶的部分，其状如冠，故称。
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