volume of timber

  • 释义

    材积

数据更新时间:2026-04-19 13:11:59
1、

The net result is an increase in the volume of China's standing timber.

其最终结果是在中国,正在生长着的树木的数量有所增加.

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2、

Groove timber truck volume is also quite impressive, is the prefecture, one of the main forest.

卡车沟的木材蓄积量也颇可观, 是县内的主要林区之一.

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3、

In wood processing, the log section are the external constraints of geometry and calculation of volume saw the key factors, the precise shape of the logs to identify the timber processing industry has become the primary problem.

在木材加工中,原木的外围几何形状是制约下锯及计算材积的关键性因素,对原木形状的精确识别已成为木材加工业的首要问题。

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4、

Excellent clones are selected for Beijing, through the economical weights analysis and index selection of industrial timber properties such as volume increment, timber total density, fiber length and stem straightness. The comprehensive breeding gain of industrial timber can be higher than 20%.

经过材积生长量、木材全年密度、纤维长度、主干通直度性状经济权重分析和指数选择,为北京点选出8个优良无性系,平均综合育种增益达20%以上。

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5、

Using high class volume table, combining with the best taper equation, the individual timber's percentage of assortment table was compiled which obtained high precision and can be applied in practice.

本文利用白桦的测径样木,结合最优的削度方程,编制了白桦树高级单木材种出材率表,精度较高,可在生产实践中加以应用。

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