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Its lumber material is narrow for the alburnum, distributes in north compared to the south narrowly, light yellow arrives the yellow light yellow, the heartwood to brown brings slightly red; Has the resin, the durability is bad; The lumber texture, the density, standard natures and so on the festival receive the geography condition influence which grows, is widespread as a result of this lumber distribution, but therefore the lumber material the variation is greatly more obvious than because of the condition other tree seeds; The lumber weight is ordinary, solid.

其木材材性为边材窄,分布在北部的比南部的更窄,浅黄到黄色,心材浅黄至褐色略带红色;有树脂,耐久性差;木材的纹理、密度、节子等格质均受生长的地理条件影响,由于该木材分布广泛,所以木材的材性因条件而变异大比其他树种明显;木材重量一般,较结实。

The author investigated the community of grasshoppers in Changbai Mountain area during the period of July to September 2001, complementally collected specimen and systematically collected and measured environmental factors from July to October in the following year, and consulted to specimen collected by Fengling Zhang and Yanlong-yang in 1979, 1980 and 1981. By analyzing and classifying the data of five years, the author analyzed the community construction and ecological adaptability of the grasshoppers in the area. The main aspects dealing with the grasshoppers are as follows:(1)the community construction and faunal geographical elements;(2)characteristics of their ecological distribution;(3)vertical distribution of grasshoppers in the northern slop;(4)the relationship between environmental factors and differences in shape of grasshoppers in different vertical belt of northern slop, etc.

本文作者于2001年7~9月间系统地调查了长白山地区的蝗虫,并于2002年的7月到10月间对标本进行了补充采集,并对环境因子数据进行了系统的测量和收集,同时参考张凤岭、杨彦龙先生1979、1980和1981三年采集的标本,通过对标本的鉴定和整理,采用五年的野外工作数据,对长白山地区蝗虫群落结构及生态适应特性进行了研究,主要研究内容包括:蝗虫的群落结构及区系地理成分;蝗虫生态分布特点;保护区北坡蝗虫垂直分布及不同垂直带内蝗虫的形态差异和环境因子之间的关系等方面内容。

As a type of complicated information system, E-government system is usually made up of many subsystems which be dealt by different security strategies, be distributed in geography, belong to different departments, their systemic users can be active in many systems in the same time. There are great capacity resource and user info in each subsystems. Therefore, E-government system is faced with validity, utility, dynamics, distributivity, real-time nature and compatibility etc. challenges in access control technology aspect.

电子政务系统作为一类复杂的信息系统,通常由多个应用着不同的安全策略、地理上分布的、分属不同部门的、多用户同时在线的子系统组成,各系统内部存在越来越多的海量资源和用户信息,因此电子政务系统在访问控制技术方面面临着有效性、应用性、动态性、分布性、实时性、兼容性等严峻挑战。

Biodiversity is one of the front areas of current biological research. The mechanisms of the formation, spatial distribution pattern, conservation and utilization of biodiversity have been an important area of biological and environmental research. In this study, through analyses of data about plant diversity, animal diversity, geographic factors, climatic factors, and energy factors by use of GIS software, statistic software and ecology software, the mainland of China was divided into 241 small districts of 2° by 2°. The environmental factors in each district were analyzed and isopleth maps of environmental elements were depicted.

生物多样性是当今生物学研究的热点问题之一,生物多样性的形成机制和分布格局以及保护利用问题一直是生物学和环境科学所研究的重要内容,本文由此出发,以中国陆地为研究区域,通过植物多样性数据、动物多样性数据、地理因子、气候因子、能量因子等资料,利用MAPGIS、MAPINFO等GIS软件,SPSS、DPS等统计学软件以及CANOCO等生态学软件,将中国陆地划分为241个小区,分析了各区内的环境特点,统计了各区内生物多样性的数量,并绘出环境因子等值线图,中国陆地种子植物科、属、种,裸子植物种、蕨类植物种、兽类、鸟类、爬行类、两栖类种数的等值线分布图,对中国陆地植物、动物多样性现状、分布格局及与环境因子的关系进行了研究。

The paper apply the map of precipitation,terrain and topography in Jinn province as a basic material.

本文以吉林省年降水量图、地势图、地形图为基本资料,通过年降水量、地势、地理位置间的相关分析,吉林省降水分布特征的主成分分析,探讨了吉林省年降水量空间分布规律。

The freshwater ichthyofaunas mainly from northern China are characterized by primitive actinopterygians,and they are closest to those from Siberia and Middle Asia,and also contain some forms similar to the fishes from other regions of Laurasia and the Gondwanan continents.

与当时"南海北陆"的古地理格局一致,淡水鱼类主要分布于北方大陆的河湖相盆地,但也见于扬子板块与北方大陆碰撞后的四川盆地;海生鱼类则主要分布于华南和喜马拉雅地区。

The "yes" or "no"(1 or 0) of distribution of amphibians in Guangdong Province were regarded as two-state character. The relative coefficient was taken for the similar degree of amphibians in ever two zoogeographical provinces.

将各种两栖动物在各动物地理省分布的有或无作为二元状态,用结合系数来表征每两个动物地理省同两栖动物组成的相似程度,以类平均法进行聚类。

Because of the difference of geographical and climate zone, the similarities of Dognjiang with other floras have changed, they show the influences of geographical and climate conditions.

随着地理纬度和气候带的不同,东江流域与其它地区植物区系相似性系数也发生变化,反映出地理环境条件和气候条件对现代植物分布的影响。

Based specialized, generalized and visualized basic geographical information, it collects many information, such as detected video, traffic control signal, traffic peccancy, policemen distributing, traffic target, stopping position and capacity, to general manage and analyze. The primary visualized decision information including traffic flux, bus speed, traffic density, accident of real-time cities main road, are provided to traffic manager so that they respond rapidly, and some of them could be transformed to traffic inducing screen through network.

系统设计目的:建成一个基于网络环境的实时的、可视化的交通管理地理信息系统服务平台,它以专业化的、综合性的、可视化的基础地理信息为基础,综合集成现有系统,将监控视频,交通控制信号、交通违章监控等实时动态信息以及警力分布、交通标志、停车场位置及容量等各种数据采集起来,进行集中管理和分析,为交通管理者提供实时的城市各主要道路的交通流量、车速、交通密度、事故发生情况等可视化初级辅助决策信息,以便交通管理人员做出快速响应,也可将部分信息通过网络主动发布到交通诱导屏。

First aiming at requirement of mold enterprise union and trait of GIS application, this paper first put forward that geography information system application in enterprise union would be help to enterprise know client and their requirement, collaborator, resource, business opponents etc., business factor space distributing and rule, and provide basis for enterprise management and decision.

本文首先针对模具企业联盟的需求及地理信息系统应用的特点,提出地理信息系统应用于企业联盟有助于企业了解客户及需求、合作伙伴、资源、商业竞争对手等商业要素的空间分布及规律,为企业管理与决策提供依据。

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推荐网络例句

We have no common name for a mime of Sophron or Xenarchus and a Socratic Conversation; and we should still be without one even if the imitation in the two instances were in trimeters or elegiacs or some other kind of verse--though it is the way with people to tack on 'poet' to the name of a metre, and talk of elegiac-poets and epic-poets, thinking that they call them poets not by reason of the imitative nature of their work, but indiscriminately by reason of the metre they write in.

索夫农 、森那库斯和苏格拉底式的对话采用的模仿没有一个公共的名称;三音步诗、挽歌体或其他类型的诗的模仿也没有——人们把&诗人&这一名词和格律名称结合到一起,称之为挽歌体诗人或者史诗诗人,他们被称为诗人,似乎只是因为遵守格律写作,而非他们作品的模仿本质。

The relationship between communicative competence and grammar teaching should be that of the ends and the means.

交际能力和语法的关系应该是目标与途径的关系。

This is not paper type of business,it's people business,with such huge money involved.

这不是纸上谈兵式的交易,这是人与人的业务,而且涉及金额巨大。