1) measurement of river healthy
河流健康度量
2) river health
健康河流
1.
The Research on River Health Estimation and Drinking Water Safety in Tonglu Fenshui River;
桐庐县分水江健康河流评价及饮水安全保障研究
3) river health
河流健康
1.
Improved degree of membership fuzzy matter-element multiple attribute assessment model for complex river health system;
河流健康复杂系统评价的IFMMAAM
2.
Concept of river health and index system for its evaluation;
河流健康的概念及指标体系和评价方法
4) healthy discharge
健康流量
1.
Research on threshold value of healthy discharge of the Nujiang River in the longitudinal range-gorge region;
纵向岭谷区怒江健康流量阈值研究
5) river ecosystem health
河流生态健康
1.
The concept of river ecosystem health is expatiated,and the assessment methods for river ecosystem health are discussed.
阐述了河流生态健康的涵义,探讨了国内外河流生态健康评价方法。
6) river health assessment
河流健康评价
1.
Much attention has been paid to river health assessment and restoration.
河流健康评价与修复是当前河流管理领域的研究热点。
补充资料：可公度量和不可公度量
可公度量和不可公度量
ommensulble and incommensuable magnitudes (quantities)
可公度t和不可公度t【~e璐u由lea目in~men-su.ble magultodes(quanti柱es);“洲口Mel娜M毗“”“”-113Mep目M曰e肠eJ皿，一皿曰』 如果两个同类量(例如两个长度或两个面积)具有或不具有公度(common measure，即另一个同类量，所考虑的两个量都是这个量的整数倍)，则相应地称这两个量为可公度量或不可公度量.正方形的边长和对角线，或圆的面积和丫的半径的平方，都是不可公度量的例尹.如果两个量是可公度的，则‘l艺们的比是有理数;相反，不可公度量忿比是无理数、
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