查询词典 protection

Compared with the traditional fusing filament, the restricting overloading protection PTC Thermistor reacts fast, contactless, flameless, noiseless and recoverable. Meanwhile, compared with the organic high molecule PTC Thermistor, the pottery restricting current PTC Thermistor of normal temperature changes little after numerous protection with a better performance of withstanding voltage. Additionally, it can resume steadily and has a good performance.

和传统的熔断丝相比，过流过载保护PTC热敏电阻具有反应快、无触点、无明火、无噪声和可恢复性强等优势，和有机高分子PTC热敏电阻相比，陶瓷过流保护PTC热敏电阻在实现多次保护后常温电阻变化不大，耐电压性能较好，恢复性能、稳定性能优良。

Institute of Plant Protection and Environment Protection, Beijing Academy of Agricultural and Foresty Science, Beijing 100097

北京市农林科学院植物保护环境保护研究所，北京 100097

In "the National Project on Wildlife Protection and Nature Reserve Construction" carried out by the State Administration of Forestry of China, pheasants are among the 15 groups of animals and plants which have high priority for conservation. In this paper, the species diversity, endemic species, and distribution patterns of Galliformes in China are introduced, and the current status and threats to this group of birds are summarized. Base on achievements made in in situ protection, ex situ conservation and scientific research, the main problems existing in conservation practice are discussed, and a conservation strategy for Chinese Galliformes is suggested.

本文结合国家林业局&十五&期间将要实施的《全国野生动植物及自然保护区建设工程总体规划》，对我国鸡形目鸟类的多样性、特有性和分布特点进行了阐述，对该类群的濒危状况和致危因素进行了分析，从就地保护、易地保护以及科学研究三个方面介绍了我国在该类群研究与保护方面所取得的成就，探讨了目前保护管理工作中所存在的问题并提出了相应的保护对策。

Based on the studies on the siltation and lake shrinking,changes of water environment and habitats of Grus nigricollis, utilizations of wetland resources, relations between ecological environment changes and current functional zone dividing model are discussed. The protection management of ecological environment under current functional zone dividing model is not effective in solving the conflicts between resources utilization and protection of the wetland. It is necessary to study ecologic structure and function of Caohai plateau wetland.

通过对草海国家级自然保护区水土流失、湖盆淤积，水环境、黑颈鹤栖息生境等生态环境特征变化以及当地社区湿地资源利用状况的分析，探讨了湿地生态环境变化与现行保护区功能分区的关系，说明三级模式下的湿地生态环境管理激化了湿地资源利用与保护的矛盾，必须加强草海湿地生态结构和功能特征的研究，制定合理的保护区功能分区，切实有效地保护湿地生态环境。

The Chinese word for "pomelo" or "grapefruit" is yu, which is homophonous with the word for "protection," yu, expressing the hope that the moon god give them protection.

该中文为&柚&或&柚子&是玉，这是homophonous与Word &保护&，余，表示希望在月球上上帝给他们的保护。

The Chinese word for "pomelo" or "grapefruit" is yu, which is homophonous with the word for "protection," yu, expressing the hope that the moon god give them protection.

该中文文字为&柚&或&柚子&是玉，这是homophonous与Word &保护&，余，表示希望在月球上上帝给他们的保护。

The Chinese word for "pomelo" or "grapefruit" is yu, which is homophonous with the word for "protection," yu, expressing the hope that the moon god give them protection.

该中文为&柚&或&柚子&是玉，这是homophonous与Word &保护&，余，表示在月球上给他们的保护。

The Chinese word for "pomelo" or "grapefruit" is yu, which is homophonous with the word for "protection," yu, expressing the hope that the moon god give them protection.

汉语中，柚子的&柚&，和保佑的&佑&同音。人们通过吃柚子，希望得到嫦娥的保佑。

To reveal that the operating mode of power grids and characteristic of impendence relay have significant impact on the reliability of distance protection,an operational risk evaluation model is proposed for distance protection.

指出电网运行方式和阻抗继电器的特性对距离保护运行可靠性有重要的影响，并提出了其风险评估模型。

We shall emphatically study the layout and planning and control mode of ecological construction of sand protection and control, and research and apply optimized plantation of indeciduous forest and grass, and selection and breeding of indeciduous plant for sand protection and control and drought resistance and its facility and technology.

重点开展防沙治沙生态建设布局、规划和治理模式研究；常绿林草优化种植、防沙治沙抗旱常绿植物的选育及装备技术研究与应用

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。