Determinations of the growth and timber properties of 13 - year - old and the 16 - year - old test forest showed that highth, chest diameter, volume and specific gravity of timber had great genetic variation among provenances.
对杉木种源两次全分布试验的13年生、16年生试验林的生长、材性测定资料进行系统研究表明，杉木种源间的树高、胸径、材积、木材比重、形数等性状都存在着丰富的遗传变异，其种源的遗传变异率在中等以上。
The new wood-bamboo scrimber has lower density than bamboo-scrimber and higher mechanical property than wood-scrimber.
本试验结合两者优点、弥补各自缺点研制了层内混杂结构的木竹重组材,使其密度与重组竹相比有所降低,力学性能与重组木相比有所提高。
Cleared of trees, especially those that bear valuable lumber.
伐光的树木，尤指能出产贵重木材的树木被砍光的
"One of the most important products of the forests of Aerenal, densewood is a strong, hard heavy wood similar to iron in its properties."
铁木：铁木是产自阿尔而娜尔森林的主要木材，这种坚硬沉重木材可以代替普通的铁来制作物品。
lumber tropical fresh
木材热带淡水载重线
lumber tropical fresh water loadline
木材热带淡水载重水线
teak and other heavy cabinet wood.
柚木和其他重的家具木材。
A Vital Way of Saving Wood: Utilization of Urban Waste Wood;
木材节约的重要途径:城市废弃木材利用
heavy wood of various brazilwood trees; used for violin bows and as dyewoods.
重的巴西木木料，用于制琴弓和作染料木材。
wood of any of various eucalyptus trees valued as timber.
取自各种桉树属树木的木料，是贵重的木材。
valuable hard wood of the sycamore
西克莫木材（材质坚硬而贵重）
Cement steel and timber are the most important construction materials used in civil engineering.
水泥、材和木材是土建工程中最重要的建筑材料。
However, the weightlessness rate of those composites was obviously higher than wood, and remainder rate was higher than wood, too.
但复合材料的失重率比木材明显小，残余物比率也明显高于木材。
The hard, tough, heavy wood of such a tree.
山核桃木山核桃树坚硬、结实、厚重的木材
Fir or pine wood.
冷杉木材或松木木材
lumber winter North Atlantic load line
木材冬季北大西洋载重线
beidaxiyang dongji mucai
北大西洋冬季木材载重线
Exports: crude oil and petroleum products, lumber, cacao, aluminum.
出口:重油及原油产品,木材,可可,铝.
a valuable timber tree of tropical South America.
一种贵重的热带南美洲的成材乔木。
A rediscussion on having a long way to go to utilize non-wood fiber reasonably
再谈合理利用非木材纤维 任重而道远