查询词典 year class

Based on the information taken from the subcompartmental records a comparison between the actual and normal forests was made and a new point of view was proposed in the article: in the case of cultivating timber-forest which is different in cutover age, age class and growing speed within the range of the whole forest station, the forest age class distribution showing the opposite shape of "J" is of more benefit to keeping the relative stability of all the age class area than the age class distribution of th...

本文在统计森林资源小班档案卡片有关资料的基础上，把现实林分与法正林相比较，用法正林学说来指导全场森林的调查。并提出了一个新的观点：在整个经营单位内，培育不同生长速度，不同主伐年龄，龄级期不同的用材树种，森林的龄级结构呈反"J"形分布此法正分布更有利于维持各龄级面积的相对稳定，并且，年伐量的波动不大，有利于森林的永续利用。

Of? of exuviate of low clear of Li of to bang of horsefly admire island is contained fall Ⅶ class, fall Ⅵ class, fall Ⅲ class, fall the processing technique of harmony of Ⅱ class sound.

概要： 本文分析探索德国作曲家勃拉姆斯所喜用的一种和声手法：小下属领域的降号音系统和声，亦即包含有降Ⅶ级、降Ⅵ级、降Ⅲ级、降Ⅱ级音和声的处理手法。

Fundamental Chinese class, applied Chinese class, applied Chinese class and fluent Chinese class, brief

针对广大外国朋友不同层次的汉语基础，我们分别开设了初识汉语班、实用汉语班、流利汉

We can do many interesting experiments in science class. That's why we like science class very much. However, some experiments are difficult and dangerous. For example, something acid and alkaline will erode our body. Besides, indicators are very dangerous. So, be very careful to do any experiments inscience class! This is our experiment in science class.

我们喜欢上自然课，因为上自然课可以做实验，我们的自然实验有些有趣，有些困难，不过全都非常好玩，可是有些实验会使我们得生命有危险，像水溶液实验，因为酸、碱性的水溶液，会是我们的身体腐蚀，指示剂也非常危险，所以做实验要非常小心，以上就是我们的自然实验。

He raised new concepts of the existence of"two exploiting classes","political class","bureaucratic class"and"bourgeoisie inside CCP".He regardeddifferent academic viewpoints,ideological conflicts,the normal intraparty ideologicalstruggles and diverged opinions all as the fierce performance of class struggle.Thirdly,he misunderstood the transitional period and the relations between class struggle andeconomic construction.

先后提出"两个剥削阶级"、"政治思想上的阶级"、"官僚主义者阶级"以及"党内资产阶级"等新概念，把不同的学术观点、思想之争，党内正常的思想斗争、意见分歧统统当作阶级斗争的激烈表现；三是错误地理解过渡时期、错误地理解阶级斗争与经济建设的关系。

Creative class, which is a new social class different from labor class and service class, is a new urban dynamic in fostering a new urban economy based on learning, innovation, and the cultivation of modish lifestyles.

创意阶层作为工人阶层、服务阶层之外兴起的又一个新的社会阶层，是培育基于学习、革新和时尚生活方式的新城市经济动力。

Objective To do three dimensional facial soft tissue morphometry and analysis of class Ⅰ and class Ⅱ malocclusion in order to evaluate the characteristics and differences of the two facial patterns.Methods 20 class Ⅰ and 20 class Ⅱ malocclusion subjects were selected for the study.

面部的平衡和协调是由面部软硬组织共同决定的，由于存在软组织的代偿机制及其发育的相对独立性，软硬组织并不总是协调一致的[1～ 3] 。

Based on the example of shahe reservoir, the text makes an analysis on circulation, management and environment and social economy development condition of the surrounding ecosystem. Then, the author carries on inquisition, data analysis and summary and makes calculation and demonstration of the safe stability of the dam ,and discusses the risking obviation and reinforcing technique. Finally, based on the existing research of sustainable development, experts" opinions and Mathematical Statistics analysis, the author brought forward an indication system suitable for reservoirs" sustainable development This system is made up of 4 first class indexes, 13 second class indexes, 38 foundational indexes. The 4 first class indexes are the dam safety evaluating index, the management index of reservoirs, the water ecosystem system stability index, the reservoirs construction effect index. The 13 second class indexes are the construction quality evaluating index, the dam running and management evaluating index, the flood control standard recheck index, the structure safety evaluating index, the anti- earthquake evaluating index, seepage safety evaluation index sign, the metal structure safety evaluating index, the engineering facility index, the management index, the water ecosystem system stability index, engineering effect index, the economic development index, the society development index.

本文以沙河水库为例，对其运行、管理及周围生态环境和社会经济发展状况进行调查，并将调查资料进行分析、归纳、总结；然后对水库大坝的安全稳定情况作出了简要的计算和论证，并讨论了水库的主要除险加固技术；最后在总结现有可持续发展研究的基础上，征集专家的意见，进行数理统计分析，提出了由4个一级指标、13个二级指标、38个基层指标组成的一套适合该水库可持续发展的指标体系。4个一级指标分别为：水库大坝运行安全综合评价指标、水库管理指标、水资源生态系统稳定性指标、水库建设效应指标；13个二级指标分别为：工程质量评价指标、大坝运行管理评价指标、防洪标准复核指标、结构安全评价指标、抗震安全评价指标、渗流安全评价指标、金属结构安全评价指标、工程设施指标、管理指标、水资源生态系统稳定性指标、工程效应指标、经济发展指标、社会发展指标。

But students often lack interest in physical education class.The reason is that students are not aware of the importance of physical education class.Another reason is the class contents are outmode,the class methods are simple and dull.

体育课堂教学是学校体育工作的主要方面，它是训练学生运动技能，增强体质，锻练体能，促进学生德育、智育、体育、美育等方面都得到发展的重要基地。

The Java language allows a class to extend a single immediate base class, which can in its turn extend another single base class, until the universal base class of java.lang.

Java 语言允许一个类继承一个单个基类，同样的这个基类也可以继承于另一个单独的类，直到出现java.lang。

The work of this paper is as follows: 1. Looking back the progressing history of the linear motor, introducing the features of the elevator driven by linear induction motor, radicating the topic of this paper "the digital frequency variable control of the elevator bi-side direct driven by linear induction motor". The research of this paper covers the conventional VVVF control, space vector based VVVF control, vector control and DTC.

本文主要开展了以下几个方面的工作： 1 回顾了直线电机发展历史，电机的驱动技术演变，特别是针对直线电机的驱动，简要介绍了直线感应电机驱动电梯的优点和不同结构类型，对传统的v／f控制，基于空间矢量法的v／f控制，矢量控制，和基于电压空间矢量的直接转矩控制进行了比较，确立了本课题的研究主题：直线感应电机双边直推式驱动电梯的全数字变频控制。

The article combines with the treatment of a superficial civil air defense work to introduce how the grouting method to improve the performance of the backfill soil.

文章从治理漂浮人防工事的角度提出了注浆技术在改善回填土性质方面的应用，并详细阐述了注浆技术的施工流程。