材积

yuán mù cái jī shì duō shǎo

原木材积是多少？

What is the original volume of timber？

cái jī píng gū

材积评估

volume assessment

cái jī děng jí

材积等级

volume class

cái jī lián nián shēng zhǎng liàng hé píng jūn shēng zhǎng liàng jūn suí shù líng zēng jiā chéng chí xù zēng zhǎng qū shì

材积连年生长量和平均生长量均随树龄增加呈持续增长趋势。

The annual volume growth and average growth continued increasing with the tree age.