3) Wood properties
木材材性
1.
Research on wood properties among Juglans nigra, Juglans regia and Juglans mandshurica grown in China;
美国黑核桃与核桃、核桃楸木材材性的比较研究
2.
Take eighty-one Aegeiros clones as trial material, estimates of genetic parameter ,correlation analysis , principal component analysis, cluster analysis and index selection are presented for growth and wood properties, including DBH, height , volume, wood basic density, fiber length , fiber width, ratio of length to width, content of Cellulose and Lignin.
本文以81个黑杨无性系为研究对象，对其进行了生长及木材材性分析，测试了胸径、树高、材积、木材基本密度、纤维长、纤维宽、长宽比、木素含量、纤维素含量等性状，进行了遗传变异分析、遗传参数估计、相关分析、主成分分析、聚类分析及无性系多性状指数选择等方面的研究。
4) wood property
木材材性
1.
Eleven non catkin male alee tree superior clones were selected through gene resources investigation and collection, sapling test, stand test, clonal selection on fast growing, quality investigation and wood property analysis of \%P.
历时16a(1982～1997),从北京地区毛白杨基因资源调查收集开始,经苗期测定、林期测定、速生无性系选择、形质调查和木材材性测定,选育出11个不飞絮毛白杨雄株行道树优良无性系。
5) material property parameters
材料性能参数
1.
The effects of material property parameters on the thickness distribution of hydroformed parts;
材料性能参数对液压成形件厚度分布的影响规律研究
6) material properties
材料性能参数
1.
On-line identification of material properties in bending deformation;
弯曲成形中材料性能参数的在线识别
补充资料：连续性与非连续性(见间断性与不间断性)
连续性与非连续性(见间断性与不间断性)
continuity and discontinuity
11an父ux泊g四f“山。麻以角g、.连续性与非连续性(c。nt，n琳t:nuity一)_见间断性与不间断性。and diseo红ti-
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