1) protection measures
保护途径
1.
Analysis of the endangered causes and the protection measures of natural Taxus resources in China;
我国天然红豆杉资源濒危因子分析及其保护途径探讨
2) protection and updat-ing ways
保护更新途径
3) Maintenance Approach
维护途径
1.
Research Advances of Decline Mechanism and Maintenance Approach of Casuarina equisefolia in Coastal Area;
沿海木麻黄衰退机理与维护途径的研究进展
5) protection ways
保护新途经
6) protection radius
保护半径
1.
In the present calculation formula of fire hydrant protection radius,as regards determination of hose length,the folded reduction factor is only taken into account without consideration of the pathway reduction factor.
现行消火栓保护半径计算公式中,确定水带长度时只考虑了展开时的弯曲折减系数,并未考虑路径折减系数,尤其在水带路径改变90°情况下,水带的实际有效长度大幅度减小,导致消火栓保护半径计算值远远大于实际有效值,影响灭火效果。
补充资料：感觉传导途径 3痛觉、温度觉传入途径示意图
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