It has specifically described 22 kinds of import broad-leaved timber structure and identification characteristic through sampling and cut-section observation of import broad-leaved timber.
通过对进口阔叶木材取样与切片观测，对22种进口阔叶材的木材构造与识别特征进行了具体描述。
Their studies cover tree identification, timber measurement and harvesting, equipment operation, and more.
课程包括树木识别，木材测量和采伐，设备操作等。
Their studies cover tree identification, timber measurement and harvesting, equipment operation, and more.
课程包括树木识别，木材测量和采伐，设备操作等。
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