查询词典 biodiversity

China's 2300 nature reserves, covering 15% of China's land areas, include precious natural biodiversity assets; China's land is home to 10% of all living species including black necked cranes, golden monkeys, snow leopards and pandas.

中国土地面积的15％有2300个自然保护区，那里有珍贵的天然生物财富，中国土地的10％是多种生物物种的生存地，包括黑颈鹤，金丝猴，雪豹和大熊猫。

China's 2300 nature reserves, covering 15% of China's land areas, include precious natural biodiversity assets; China's land is home to 10% of all living species including black necked cranes, golden monkeys, snow leopards and pandas.

中国土地面积的15％有2300个自然保护区，那埵闭绎Q的天然生物财富，中国土地的10％是多种生物物种的生存地，包括黑颈鹤，金丝猴，雪豹和大熊猫。

The Inter-Institutional Database of Fish Biodiversity in the Neotropics is an international cooperative effort to make available systematic and geographic data on Neotropical freshwater fish specimens deposited in natural history collections in the New World and Europe.

该数据库通过国际上的共同努力使新热带地区淡水鱼类标本的系统数据和地理数据是可获得的。这些标本主要存放于新大陆和欧洲的自然历史收藏品中。

The Inter-Institutional Database of Fish Biodiversity in the Neotropics is an international cooperative effort to make available systematic and geographic data on neotropical freshwater fish specimens deposited in natural history collections in the New World and Europe.

&新热带地区鱼类生物多样性国际公共数据库&是一个国际合作项目，其目的是收集新热带地区淡水鱼类的系统数据和地理学数据，所收集的数据被保存在欧洲的自然博物馆里。

Comparison was made between the biological classification system for soil borne plant parasitic nematodes of the Tylenchina suborder and with a nonbiological one (Chinese Soil Taxonomy as an example) in biodiversity characteristics by calculating the power law distribution and Lognormal distribution of the two systems to analyze their similarities and differences.

本文通过计算两种系统分类的幂律和对数正态分布，对土壤植物寄生的线虫类分类体系和非生物系统分类的多样性特征进行了比较，进而分析它们之间的相似性和差异性。

Research on bioturbation is very important to roundly and exactly understand the processes of biogeochemical cycles in marine sediments, accurately reconstruct the records of palaeogeography, palaeoclimatology and palaeoecology, reasonably adjust and control the biodiversity of seabed ecosystem.

海底生物扰动作用的研究，对于全面、精确地掌握海洋中各种物质的生物地球化学循环过程，正确回溯古气候、古海洋和古生态记录，合理调节和控制海底生态系统的多样性具有十分重要的意义。

The study of biological adaptation is significant for the study of biological evolution,biodiversity and persistive utilization.

研究生物适应对生物进化的研究及生物多样性保护与持续利用都具有重要的意义。

Based on a series of field investigation into psammophytic vegetation in Horqin sandy land and laboratory analysis of soil properties, the relationship between biodiversity and soil fertility characteristics were analyzed.

研究了科尔沁退化沙质草地不同沙漠化阶段物种多样性的变化，以及不同植被类型物种多样性与土壤肥力的相互关系。

Ecosystem management is the main stream of natural resource management now. The focused works of EM are collecting spatial data by remote sensing, raser surveyors and permanent sampling plots which standard for each ecosystems. Experimental management and monitoring would proceed to do adaptive management for accomplishing the management objectives of forest health, productivity and biodiversity maintaining.

生态系经营是目前自然资源经营的主，而其工作的重点在於用遥航测及卫星定位系统、射测仪等测仪器收集资，经取样、选址具有代表性的长期生态研究区或永久样区，进试验性经营、监测与适应经营调整，以达到森健康、生产提高、多样性回的生态系经营目标。

The results were as follows: 1 There were 7 133 trees, belonging to 23 species and 18 genera and 13 families, and their average DBH, crown and height were respectively 27.59 cm, 4.10 m and 6.94 m. In general their average crown was relative small. 2 S, H (Shannon-Wiener index), and D of biodiversity index were small, and there were the obvious difference in those indexes among different streets, which suggested that there were certain monotone of the tree species and structure layer. 3 The dominant species mainly consisted of evergreen trees that were Ficus virens var. sublanveolata, Ficus benjamina, Roystonea regia, Terminalia hainanensis, T.

结果表明：1梅州城区行道树共有13科18属23种7133株，其平均胸径、平均冠幅、平均树高分别为27.59cm，4.10m，6.94m，总体上看，平均冠幅偏小；2物种丰富度指数S、Shannon-Wiener指数H和Simpson指数D偏小且各道路间差异明显，说明各道路行道树存在一定程度的物种单一性、层次的单调性；3梅州市城区行道树优势树种是大叶榕、垂榕、大王椰子，次优势种为海南榄仁、阿珍榄仁、阴香，它们是梅州城市街道绿化的好树种。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。