查询词典 biodiversity

The conservation of biodiversity can never thrive without public participation. Since youth is the fresh and active force in biodiversity conservation, SEPA, the Central Committee of the Chinese Communist Youth League and the Ministry of Education will jointly initiate the activity of Calling Up the Programs of Public Activities for Biodiversity Conservation, which is to target the youngsters in communities and rural areas.

生物多样性保护离不开公众的参与，青年是生物多样性保护的生力军，结合今年国际生物多样性日的主题，环保总局和团中央、教育部将共同开展"保护生物多样性公益活动方案征集"活动，此次活动面向青年、面向社区、面向农村，目的是使更多的人意识到生物多样性与气候变化对人类生存的重要性，认识到生物多样性是重要的资源、是维护国际生态安全的重要保障。

This article in summarizes in our country nature protection area construction achievement foundation, outlined the nature protection area to each kind of natural ecosystem, the wild biology, the domesticated species, the wild blood relationship to plant and the idioplasm resources conservation present situation, including has constructed the nature protection area for protection biodiversity various components quantity, the area, the distribution and the management; Has appraised the nature protection area to the biodiversity various components protection effect; Has analyzed the existence question and proposed that strengthens measure which the biodiversity protects.

本文在总结中国自然保护区建设成就的基础上，概述了自然保护区对各类自然生态系统、野生生物、驯化物种、野生亲缘种及种质资源保护的现状，包括为保护生物多样性各组分已建自然保护区的数量、面积、分布及管理；评价了自然保护区对生物多样性各组分保护的效果；分析了存在问题并提出加强生物多样性就地保护的措施。

This article in summarizes in our country nature protection area construction achievement foundation, outlined the nature protection area to each kind of natural ecosystem, the wild biology, the domesticated species, the wild blood relationship to plant and the idioplasm resources conservation present situation, including has constructed the nature protection area for protection biodiversity various components quantity, the area, the distribution and the management; Has appraised the nature protection area to the biodiversity various components protection effect; Has analyzed the existence question and proposed that strengthens measure whichthe biodiversity protects.

本文在总结我国自然保护区建设成就的基础上，概述了自然保护区对各类自然生态系统、野生生物、驯化物种、野生亲缘种及种质资源保护的现状，包括为保护生物多样性各组分已建自然保护区的数量、面积、分布及管理；评价了自然保护区对生物多样性各组分保护的效果；分析了存在问题并提出加强生物多样性就地保护的措施。

This article in summarizes in our country nature protection area construction achievement foundation, outlined the nature protection area to each kind of natural ecosystem, the wild biology, the domesticated spec ie s, the wild blood relationship to plant and the idioplasm resources conservation present situation, including has constructed the nature protection area for protection biodiversity various components quantity, the area, the distribution and the management; Has appraised the nature protection area to the biodiversity various components protection effect; Has analyzed the existence question and proposed that strengthens measure which the biodiversity protects.

自然保护区建设是保护生物多样性的最有效途径。至1993年底，我国共建立各类型自然保护区763个，总面积6618万hm2，约占国土面积的6.8%。本文在总结我国自然保护区建设成就的基础上，概述了自然保护区对各类自然生态系统、野生生物、驯化物种、野生亲缘种及种质资源保护的现状，包括为保护生物多样性各组分已建自然保护区的数量、面积、分布及管理；评价了自然保护区对生物多样性各组分保护的效果；分析了存在问题并提出加强生物多样性就地保护的措施。

The databases available include two organism biodiversity background database: database of birds, database of Amphibia, Reptilia and Mammalia. Five specific biodiversity databases include: database of anti－pollution plants and pollution－indicator plants, database of ornamental plants, database of pests and harmful animals, database of wetland biodiversity.

目前提供的主要数据库包括2个有机体多样性本底数据库：鸟类资源库、两栖爬行动物及哺乳动物库；5个专类生物多样性数据库：绿化观赏植物库、抗污染植物库、环境污染敏感植物库、害虫害兽库、湿地生物多样性库。

On the ecosystem health, definitions from utilization and ecosystem views are introduced, the contents and difficulties in assessing it are discussed. On the biodiversity enhancement, the relationship between forest structural complexity and forest biodiversity are discussed, the significance of old growth structure are highlighted, and measures of changing forest structure to promote forest biodiversity are put forward. On the landscape planning in forest management, some patterns, theoretical foundations and models are introduced, especially three conceptual models, i.e., key habitat\|corridors model, nature landscape model, and supportive features model. On the alternative silvicultural systems, reasons for developing alternative silvicultural system by mimic of nature disturbance are discussed, and some advanced techniques and their ecological basis are noted. Finally, on the ecosystem service, its contents and importance of assessment are illustrated.

关于森林生态系统健康，讨论了不同角度对生态系统健康的定义和不同层次上的生态系统健康的内容及评价生态系统健康的困难所在；②关于森林生物多样性，探讨了森林结构复杂性与生物多样性的关系，老龄林结构对森林生态系统的意义和作用，以及如何通过经营调整结构促进生物多样性；③关于森林经营的景观规划，描述了进行景观规划的途径、理论和模型，并对三种概念模型进行了介绍；④关于森林经营的替代技术体系，介绍了模拟自然干扰设计替代技术体系的原理，分析了替代经营技术体系产生的原因和有关最新技术研究进展；⑤关于森林生态系统服务，讨论了生态系统服务的基本内容和评价在森林生态系统管理中的重要意义。

This article in summarizes in our country nature protection area construction achievement foundation, outlined the nature protection area to each kind of natural ecosystem, the wild biology, the domesticated species, the wild blood relationship to plant and the idioplasm resources conservation present situation, including has constructed the nature protection area for protection biodiversity various components quantity, the area, the distribution and the management; Has appraised the nature protection area to the biodiversity various components protection effect; Has analyzed the existence question and proposed that strengthens measure which the biodiversity protects.

本文在总结我国自然保护区建设成就的基础上，概述了自然保护区对各类自然生态系统、野生生物、驯化物种、野生亲缘种及种质资源保护的现状，包括为保护生物多样性各组分已建自然保护区的数量、面积、分布及管理；评价了自然保护区对生物多样性各组分保护的效果；分析了存在问题并提出加强生物多样性就地保护的措施。转载于论文联盟 http：//www.lwlm.net

This article in summarizes in our country nature protection area construction achievement foundation, outlined the nature protection area to each kind of natural ecosystem, the wild biology, the domesticated species, the wild blood relationship to plant and the idioplasm resources conservation present situation, including has constructed the nature protection area for protection biodiversity various components quantity, the area, the distribution and the management; Has appraised the nature protection area to the biodiversity various components protection effect; Has analyzed the existence question and proposed that strengthens measure which the biodiversity protects.

本文在我国自然保护区建设成就的基础上，概述了自然保护区对各类自然生态系统、野生生物、驯化物种、野生亲缘种及种质资源保护的现状，包括为保护生物多样性各组分已建自然保护区的数量、面积、分布及管理；评价了自然保护区对生物多样性各组分保护的效果；分析了存在问题并提出加强生物多样性就地保护的措施。

This article in summarizes in our country nature protection area construction achievement foundation, outlined the nature protection area to each kind of natural ecosystem, the wild biology, the domesticated species, the wild blood relationship to plant and the idioplasm resources conservation present situation, including has constructed the nature protection area for protection biodiversity various components quantity, the area, the distribution and the management; Has appraised the nature protection area to the biodiversity various components protection effect; Has analyzed the existence question and proposed that strengthens measure which the biodiversity protects.

本文在总结我国自然保护区建造成就的基础上，概述了自然保护区对各类自然生态系统、野生生物、驯化物种、野生亲缘种及种质资源保护的现状，包括为保护生物多样性各组分已建自然保护区的数量、面积、分布及治理；评价了自然保护区对生物多样性各组分保护的效果；分析了存在问题并提出加强生物多样性就地保护的措施。

This article in summarizes in our country nature protection area construction achievement foundation, outlined the nature protection area to each kind of natural ecosystem, the wild biology, the domesticated species, the wild blood relationship to plant and the idioplasm resources conservation present situation, including has constructed the nature protection area for protection biodiversity various components quantity, the area, the distribution and the management; has appraised the nature protection area to the biodiversity various components protection effect; has analyzed the existence question and proposed that strengthens measure which the biodiversity protects.

本文在总结我国自然保护区建设成就的基础上，概述了自然保护区对各类自然生态系统、野生生物、驯化物种、野生亲缘种及种质资源保护的现状，包括为保护生物多样性各组分已建自然保护区的数量、面积、分布及管理；评价了自然保护区对生物多样性各组分保护的效果；分析了存在问题并提出加强生物多样性就地保护的措施。gu'x5N0关键词：自然保护区；生物多样性；就地保护；贡献

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。