树干解析 stem analysis 从树干的基部到树梢顶端为止，每隔一定距离所取的横切面根据年轮可以调查直径生长经过，画出通过树干中心而连接起来的纵切面图（树干解析图），以推测直径、树高和材积的生长过程，这种方法，称为树干解析。横切面一般取高0米、0.3米（或0.2米）、1.3米（或1.2米），然后上边每隔2米取一横切面，但根据目的的不同可以变更。半径的测定，就直交的四个方向大致每隔五年或十年，有时可根据情况每年测一次。
树干解析 Tree analysis ; [林] stem analysis
Microcomputer kit system software for stem analysis has developed using VB language, it can start - up directly under Windows9. x. Being multifunction including dada base management, calcuation and display, and printing diagram etc.
利用VB语言研制的树干解析内业处理系统，可在WINDOWS9．x系统下直接运行。
参考来源 - 树干解析内业处理系统的研制·2,447,543篇论文数据，部分数据来源于NoteExpress
即在标准地中采用随机或机械抽样方法选取样木，进行树干解析，获得样木生长过程；
In sample plots, sample trees are randomly or systematically selected and growing process is studied by stem analysis.
通过对渭北黄土高原刺槐人工林最大林木的树干解析和年轮分析描述了林分最大两株林木的树高、直径和材积生长过程。
Growth process of height, diameter and volume of the largest two stems of some sampled black locust stands on Weibei-loess plateau were described by analyzing stem disks and growth rings.
同时通过对天女木兰的树干解析，找出了野生天女木兰树木的生长规律，从而为天女木兰的保育和开发利用提供了科学依据。
The growth regularity of wild M. sieboldii was found out by trunk analysis, which will provide a scientific basis for the conservation and exploitation of M. sieboldii.
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