查询词典 ecosystem

In addition, the paper also introduced bad influences of tourism development on ecosystem and landscape, such as partial breakage of vegetation, soil erosion and the changes of soil chemical and physical properties, the decrease of wild animals, the increase of bacteria, dust and exhaust gas in the air and water pollution.

还介绍了旅游对牛态系统组成和景观的负面影响研究，如旅游对植被的局部性破坏，造成土壤侵蚀和婵化性质的变化，减少野生动物的数量，增加空气中细菌、灰尘和废气的含量，造成水体污染等。

Based on the measurement of carbon flux by the methods of eddy covariance and static chamber/gas chromatogram, a comparison was made between the two methods in evaluating ecosystem respiration over winter wheat-summer maize double cropland and Kobresia humilis alpine meadow.

基于涡度相关法和静态箱／气相色谱法的碳通量观测数据，对比分析了两种方法在评价禹城冬小麦－夏玉米复种农田生态系统和海北高寒矮嵩草草甸生态系统呼吸中的差异。

In recent years, Jilin Province takes as the national important industry and agriculture production base, its economy has obtained the huge development because of increasing the development dynamics, and it has consumed the massive land resource, but along with this, a series questions such as cultivated area reduction, land environmental pollution and soil erosion appeared. The positive cycle of ecosystem has already been destructed.

吉林省作为国家重要工农业生产基地，近年来，由于加大开发力度，经济取得了巨大的发展，消耗了大量的土地资源，但也随之出现了一系列诸如耕地面积减少、土地环境污染、水土流失等方面的问题，生态系统的良性循环已经受到破坏。

In the early life evolution, the evolution of ecosystem mainly exhibited the development what was from passive accepters to active competitors in life demands for environment factors, from dependence on to reform in the environment, from two-dimension to three-dimension in the spatial distribution, and from outside to inside of organism in the style of energy transformation.

在生命演化的早期，生态系统的演化主要表现为生物从被动地接受环境因子到对环境因子需求的竞争，从依赖环境到参与对环境的改造，生物的环境空间分布从二维到三维，生物的能量传递方式从生物体外到体内。

Website this ecosystem, want to let it develop healthily steadily, do not fall suddenly next big aerolites, make environment of whole modes of life and relation to their environment faces disaster, break the balance that builds since the system is long-term.

网站这个生态系统，要让它稳步健康地发展，不要忽然落下大陨石，使整个生态环境面临灭顶之灾，打破系统长期以来建立的平衡。

Each place all has the ecosystem, the biological chain, the Brazilian tropical rain forest is not exceptional, cites an example: Brazilian nut and aguti

每个地方都有生态系统，生物链，巴西热带雨林也不例外，举个例子：巴西坚果和刺豚鼠

The vegetation are rich in the forests and there are many kinds of this, so basically a dimensional forests ecosystem has been finished, made up of metasequoia, pond baldcypress, poplar and willow importantly, in which perched on more than ten kinds of wild birds, such as aigrettes, pheasants, herns, peckers, mynahes and so on.

林区植被丰富，品种繁多，初步建成了以水杉、池杉、杨树、柳树为主要品种多元化森林生态系统，栖息着白鹭、野鸡、苍鹭、啄木鸟、八哥数十种野生鸟类。

The effects of atrazine on human and ecosystem have become a focal point of intense discussion.

如果停止使用农药等化学品，全世界就会有上亿人面临着饥饿的威胁。

Atrazine is very persistent in the environment;in addition,its biological accumulation also has potential threat to the human and ecosystem.

农药莠去津在世界范围内已经使用了近50年，目前仍是广泛使用的除草剂之一。

Nutritional relationships = involve the transfer of nutrients from one organism to another within the ecosystem a autotrophs = organisms that can use inorganic materials to create their own food use : photosynthesis sfs : producers b heterotrophs = organisms that cannot make their own food and must eat other organisms to obtain nutrition asf : consumers or decomposers

营养关系=涉及转移营养从一个生物体转移到另一个地方生态一autotrophs=有机体可以利用无机材料，创造自己的食品使用：光合作用sfs：生产者乙heterotrophs=有机体，不能把自己的粮食，都要吃其它生物获取营养asf ：消费者或decomposers

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％。