laosensis plantation wood was systematically studied on the anatomical properties and their radial variation patterns by using electronic microscope and micrograph analysis system of computer,and approaches of quantitative anatomy were us.
为了解人工林米老排木材解剖性质,并探求其木材材质变异规律的内在机制,为建立米老排“培育—材性—加工利用”一体化的模式提供必要的理论依据,该文借助电子显微镜和计算机显微图像分析系统,从微观的角度,应用定量解剖学方法,对米老排木材解剖性质及其沿径向的变异规律进行了系统的测定和分析。
Research on water resources characteristics and variation law in longitudinal mountain-valley area of Northwest Yunnan province;
滇西北纵向岭谷区水资源特性及分异规律研究
The authors, from the view of relational data mining (RDM), propose a new method to excavate peculiar rules, which recognizes the peculiar data based on attribute-oriented method, and uses Chiz algorithm for reference to discretize the peculiar data and qualitatively describe the peculiar degree of the data.
从关系数据挖掘的角度提出了挖掘特异规则的方法,该方法通过面向属性的方法来识别特异数据。
Studies on Wood Properties and Variation of Plantation Poplar;
人工林杨树木材性质及其变异规律的研究
<Abstrcat>This study was conducted for fully understanding of variations of gutta-percha content characters in leaves from different variance-types, which aims to provide theoretical guidance for selections of valuable resources and effective utilization of Eucommia ulmoides Oliv.
为了弄清不同变异类型杜仲叶片含胶特性的变异规律,同时为了给杜仲胶优良资源的选择和有效利用提供理论依据,采用选择典型样株和随机取样的方法和含胶率的测定采用杜仲胶综合提取法进行了研究。
Typical tree slelction and random sampling were applied for systematic studies on individual variation of gutta-percha content in samaras of Eucommia ulmoides and the correlations between the characters of samara containing gutta-percha and several macroscopic properties.
采用选择典型样株和随机取样的方法,对杜仲果实含胶特性的个体变异规律及其与若干宏观性状的相关性进行了系统研究。
Research on micro seismic monitoring and measurement of overburden strata movement variation law in outcrop seam mining;
露头煤开采覆岩运动变异规律微地震监测研究
The results show that the radial variation patterns are “increasing first, then levelling off” for fiber length and “decreasing first, then levelling off” for microbr.
以安徽琅琊山天然林内的三株树干具有１０°倾斜角的刺楸应拉木为材料，分应拉区（ 简称 Ｔ区） ，对应区（ 简称 Ｏ 区） 和侧区（ 简称 Ｓ 区） 来研究其应拉木纤维长度、微纤丝角和组织比量的径向变异和轴向变异规律。
In this paper, Mytilaria laosensis plantation were systematic studied on the wood anatomical structure, chemical properties, physicao—mechanical properties and their variation pattern.
本文对人工林米老排木材解剖构造、化学性质和物理力学性质及其变异规律进行了系统的测定和分析,结果表明:(1)木纤维长度、宽度、腔径、双壁厚、长宽比、壁腔比、腔径比平均值分别为2014。
This article discusses the differences between the Chinese and the Westerners in culture, thinking, expression and non verbal actions, and lays stress on the importance of distinguishing these differences in translation teaching.
汉英民族在文化背景、思维方式、表达方式以及非言语行为等方面的差异是构成汉英语言特点的重要因素 ,全面准确地把握其差异规律 ,对于提高翻译教学质量至关重