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- Genetic variations of growth traits, wood basic density and tracheid length of Chinese fir clones were investigated in this paper. 摘要对杉木无性系生长性状、木材基本密度和管胞长度的遗传变异进行了研究。
- The results showed that stem volume (V) and wood basic density (BD) were the most important traits in selection breeding for pulpwood of masson pine and, stand and individul selections shoud be based on the provenance selection. 结果表明，马尾松制浆造纸材的良种选育应以材积和木材基本密度作为主要指标，首先进行种源的选择，在此基础上进行林分和个体的选择。
- On Genetic Variations of Wood Basic Density in Masson Pine Family 马尾松家系木材基本密度遗传变异的研究
- Growth Regularity of Chamaecyparis pisifera and Variations for Latewood Percentage and Wood Basic Density 日本花柏人工林生长规律与晚材率、木材密度的变异
- VARIATION OF GROWTH RING WIDTH AND WOOD BASIC DENSITY OF RUBBERTREE AND THEIR MODELLING EQUATIONS 橡胶树生长轮宽度、木材密度变异及其预测模型的研究
- wood basic density 木材基本密度
- In this paper, 12 years old Chinese Fir clones were studied on the genetic variation of growth properties, basic density and tracheid morphological characteristics. 本文综合研究了12年生杉木无性系试验林的生长性状、基本密度和管胞形态的遗传变异规律。
- He joined the two pieces of wood together with glue. 他用胶水将这两块木料黏在一起。
- The wood is held in position by a clamp. 木头用钳夹固定住了。
- Comparison of the Wood Growth Ring Width and Basic Density between the Half-sib Progeny and Parent of Pinus tabulaeformis Carr 油松半同胞子代及亲本木材生长轮宽度与密度的研究
- He shored up the wall with a thick balk of wood. 他用一根粗大的木头把墙撑住。
- Rubber has more resilience than wood. 橡胶有比木头更大的弹性。
- It's almost impossible to agree on a unified basic price. 几乎不可能商定一个划一的基本价格。
- The axe sliced through the wood. 斧头一下子把木头劈开了。
- The bonfire was piled with wood. 篝火用木柴堆得高高的。
- That lathe is used for shaping pieces of wood. 那个车床是用来加工木材的。
- Variation of Wood Fiber Characteristics, Microfibril Angle and Basic Density of Betula platyphylla in Natural Populations 白桦天然种群木材纤维性状、微纤丝角和基本密度的变异
- You need a strong adhesive to bond wood to metal. 需要强力胶才能把木料粘在金属上。
- Don't let the fire go out; there's plenty of wood. 不要让火灭了，有的是木柴。
- Keep that piece of wood; it may come in useful. 留着那块木头，它可能会有用的。
