查询词典 ecosystem

The studied area is located at the tropical area in Xishuangbanna where biological diversity is very rich but ecosystem is weak and Swidden agriculture is popular. With population growing, extensive cultivation and overuse of soil resources has resulted soil and environmental degradation, and restricted continuous development of countryside.

土壤养分和土壤微生物生长代谢水平的衰退是热带山地退化的重要表现形式，二者的变化基本是一致的，即从热带雨林→ 33a次生林→ 6a轮歇地→ 4a轮歇地→旱谷地→橡胶林→荒草坡呈降低趋势；相对于热带雨林而言，不同利用方式土壤微生物和土壤养分状况均有不同程度的下降，且随退化程度增高减幅增大，土壤微生物衰减的速率比土壤养分的衰减更快。

Maritime safety and environmental experts have pointed out for years that this route passes through some of the stormiest seas and one of the most productive marine ecosystem in the world, and thus efforts should be increased to prevent and respond to vessel casualties in this region.

多年来，海上安全和环境专家指出，这条航线穿过世界上一些最多风暴的海域和一个物产丰富的海洋生态系统，因而应该在这个区域加强努力来阻止和减少船员伤亡。

Thomas Peschak puts a peg on his nose and visits the guano islands off southern Africa, where a topsy-turvy ecosystem revolves around bird droppings.

托马斯 Peschak 把钉子放在他的鼻子上方，参观在南非之外的鸟粪海岛，在那里由于鸟类出现循环的生态系。

As one of the cosmopolitan zooplanktons, rotifers play an important role in aquatic ecosystem.

轮虫是一类全球性分布的浮游动物，在水生生态系统物质循环和能量流动过程中起着重要作用。

Atrazine was also regarded as the most often detected herbicides in the rivers and rivulets all over the world for its heavy use in the farmland ecosystem.

农田中大量投放的水溶性较强的阿特拉津也是在各国河流、小溪等水体中检出率最高的除草剂。

Water is the most important factor limiting plant growth and ecosystem productivity in semi-arid steppe in the Xilin River Basin.

因此关于本区植物水分利用效率和水分利用状况的研究，对探讨植物对生境干旱化的适应与响应机制具有十分重要的理论和实践意义。

FLORA facing Botanists, ecologists, ecophysiologists, specialists in vegetation science, vegetation ecology, plant geography, conservation biology, plant morphologists publishes papers dealing with plant structure, plant distribution and plant functional ecology (ecophysiology, population ecology, ecosystem ecology).

植物》面对植物学家、生态学者、生态生理学者、植物学、植物生态学、植物地理学、生态保持专家和植物形态学者，出版关于植物结构，植物分配和植物功能生态学（生理生态、人口生态、生态系统）的论文。同时也出版相关于分类学种类或植物种类和植被学的论文。

A new planet, Prokaryon, beautiful but poisonous, might serve as the new habitat for human beings, but it would have to be "lifeshaped" first, which means its ecosystem would have to be destroyed.

一个新的星球，普罗卡扬，漂亮却有毒，或许可以作为人类新的居住地，但是却必须要先「生命形塑」，也就是说它的生态系统需要被毁灭。

This passage has studied on the biodiversity and its ecosystem service value in the Wuling Mountain nature reserve: 1 Through surveyed and analyzed the overall multiplicity of 7 kind of main forests community types by using the sample plot survey to Wuling Mountain.

本研究采用多种方法对雾灵山森林生物多样性及生态服务功能价值进行了仿真研究： 1。利用样地调查法对雾灵山7种主要森林群落类型的整体多样性进行了调查分析。

The core of the scientific view for development is to consider human beings as the very basic part for all the developments. It calls for more role- playings from non - economical factors. It emphases that all developments must be put under the consideration of the entire ecosystem, and the full development of all aspects of human being itself must be set as the first priority over all other developments.

科学发展观的核心在于坚持以人为本，强调发展过程中经济之外的社会因素的作用、强调发展是生态状态下的发展，把人的全面发展放在首位。

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％。