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- The result shows that there is a great difference in DBH and wood volume weight among filial generations. 研究了10年生杉木杂交后代试验林的胸径生长和木材体积质量的遗传变异规律。
- Density and height,DBH showed negatively significant correlation, while wood volume showed positively insignificant correlation respectively. 结果都表现出较强的规律性：基本密度分别与树高、胸径呈极显著的负相关，与材积呈不显著的正相关；
- The best clone is TZ-8,following by TZ-5 and TZ6.The individual wood volume of these 3 clones at 7a old were 0.609 3 m~3,0.532 9 m~3 and 0.514 9 m~3,resp. Comparing with the control,the realistic gain of these traits were 264%,231% and 223%,resp. 表现最好的无性系是TZ-8、次是TZ-5和TZ-6;7年生平均材积分别为0.;6093、0
- The DBH, height and the wood volume of these three pine species are closely correlated to the stand age which can be expressed using the regressive equations, y = a + b, y=a + bx + cx2, and y = a + bx respectively. “三松”胸径、树高和材积随林龄的变化规律分别可用y=a+b1nx、y=a+bx+cx~2和y=a+bx回归方程来描述,相关紧密。
- Precision form method to determine standing wood volume 测定立木材积的改进形点法
- 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。
- 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。
- 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。
- The volume of this container is 20 cubic meters. 这个集装箱的体积是20立方米。
- That lathe is used for shaping pieces of wood. 那个车床是用来加工木材的。
- This volume is foxed on the flyleaf. 这卷书的空白页发黄了。
- The store- room be400 cubic feet in volume. 这库房的容量是400立方英尺。
- 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。
- The liquid was 5 litres in volume. 该液体的体积为5升。
- 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。
- The hut was made out of pieces of wood. 这小屋是用木板建造的。
