1) deduction diameter class
让径级
1.
Through the analysis of problems in the measurement and calculation of split log,it proposed that the measurement and calculation methods of shed offed split log should be replaced by deduction diameter class.
通过对原木劈裂材的检量与计算存在问题的分析,建议将已脱落劈裂材的检算方法统一改为让径级。
2) radial yield
径向退让
4) diameter class
径级
1.
The 70-year restored community and primary forest had the similar species richness and abundance distribution in different diameter classes and height classes.
恢复70年的群落与原始林中的物种丰富度及多度随径级和高度级的分布形式相同,但恢复20年和30年的群落则与原始林不同,并且缺少大径级和较高的树木。
2.
The TLRF had the highest total biomass in the big diameter classes(>5th diameter class),the TMF had the highest total biomass in the first diameter classes,however,no significant difference was found in the second,the third and the fourth diameter classes in the total biomass among the three low elevational tropical forests.
总生物量在胸径≥40 cm径级内热带低地雨林最高,1~10 cm径级内热带季雨林最高,10~40 cm径级内3种群落无显著差异。
5) Legendre series
勒让德级数
1.
The Fourier series and Legendre series are applied to describe the displacement field of each composite ply and glue layer in the above st.
首先根据叠加原理将层合板受力状态分解成对称和反对称状态,然后用正交完备的傅立叶级数和勒让德级数构造这两种受力状态中每一铺层与层间胶层的位移场,并应用广义势能原理确定位移场中的待定系数,从而确定层合板的位移场和应力场。
6) method of conceding class analysis
让步量级分析法
补充资料：怀卢延让（时延让新及第）
【诗文】：
冥搜忍饥冻，嗟尔不能休。几叹不得力，到头还白头。
姓名归紫府，妻子在沧洲。又是蝉声也，如今何处游。
【注释】：
【出处】：
全唐诗：卷834-22
冥搜忍饥冻，嗟尔不能休。几叹不得力，到头还白头。
姓名归紫府，妻子在沧洲。又是蝉声也，如今何处游。
【注释】：
【出处】：
全唐诗：卷834-22
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