查询词典 climate change

Floor of entire county total ground accumulates 4885 square kilometer, climate characteristic is spring dry sand blown by wind is much, the summer is short rainfall is little, year average air temperature 2.5 ℃, fall 350mm is controlled, frost-free period is controlled 110 days, it is typical dry farming county, long-term since, because the ploughshare type of follow tradition plows cultivation, a large number of the earth's surface are completely bare, monsoon comes, soil land of medium fine sanded face is reached organic blow character, cause edaphic sand to change, fertility drops, raise of sand and dust, year answer a year, change dene serious with each passing day, cause aggravation of zoology environment year after year, the agriculture that also decided place produces a condition, groundwater source is not worth badly, 10 years of 9 drought, extensive cultivation, crop yield is low and flabby.

全县总土地面积4885平方公里，气候特色为春季干燥风沙多，夏季短促降雨少，年平均气温2.5℃，降水量350mm左右，无霜期110天左右，是典型的旱作农业县，长期以来，由于沿袭传统的铧式犁耕作，大量地表完全裸露，季风来临，将土壤中的细沙面土及有机质刮走，造成土壤沙化、肥力下降，沙尘扬起，年复一年，沙化日趋严重，造成生态环境逐年恶化，也决定了当地的农业生产条件，地下水源严重不足，十年九旱，广种薄收，作物产量低而不稳。

There have been rightward shifts on climate change and tax, but the change is mostly a matter of tone.

他曾在气候变暖和征税问题上向右倾斜，但只是一种基调上的改变。

There has been a sea change in Chinese leadership on climate change during the past few years.

在过去的几年中，中国的领导阶层对待气候变化的态度发生了翻天覆地的变化。

In this paper, the possible effects of solar radiation change caused by solar constant change on airborne dust concentration over East Asia are researched using the NCAR Community Climate Model version 3(CCM3) coupled with a mineral Dust Entrainment and Deposition model.

利用美国大气研究中心的公用气候模式(CCM3)与一个粉尘释放和沉降模式相嵌套的模式CCM3-DEAD，研究了太阳常数改变所引起的太阳辐射变化对东亚大气粉尘含量的可能影响。

The common stroke-induced a lot of factors: poor sentiment, not eating festival, smoking, obesity, excessive force, excessive exercise, such as getting up suddenly Zuoqi and posture change, climate change, stool stem end, such as improper use of non - Disease factors.

中风的常见诱发因素有很多：情绪不佳、饮食不节、吸烟、肥胖、用力过猛；超量运动、突然坐起和起床等体位改变、气候变化、大便干结、用脑不当等非疾病因素。

One of focus of global change research is the impact of climate change on terrestrial ecosystem.

气候变化对陆地生态系统的影响及其反馈是全球变化研究的焦点之二。

Alpine treeline is an important ecotone, which is sensitive to climate change. So treeline ecology is of significant to study on global change. This study is a case study in Gonggashan Mountain, Southwestern China.

本研究以贡嘎山树线为例，以响应气候变化的可能敏感指标：树线位置动态、生长型的变化和树木更新节律为突破口研究树线对气候变化的响应，并与川西地区气候变化重建资料和巴郎山树线动态进行了对比。

The cultural technique measure before pick which through establish different result altitude when the grape branch is unearthed and the branch is tied, taking off the leaves at color change time, Shop reflective film under surface, Research the influence which through the cultural technique measure of change wine grape micro-climate on the quality of wine grape, The results showed that,Fruiting by 70 cm height, the results of the processing site to taking off the leaves , Shop reflective film under surface ...

通过在葡萄枝条出土、绑蔓期间设置不同的坐果高度，在葡萄转色期进行摘叶、架面下铺设反光膜等采前栽培技术，研究改变葡萄微气候的技术措施对酿酒葡萄品质的影响。结果表明，采用70cm的坐果高度、对结果部位进行摘叶、在架面下铺设反光膜的处理方式能够使酿酒葡萄的品质得到一定的提高。

On account of the influence of human activities and climate change, the hydrologic series may change in time and space.

1引言 由于受自然条件和人类活动的影响，水文情势在时间或空间往往发生变异。

First major extinction (c. 440 mya): Climate change (relatively severe and sudden global cooling) seems to have been at work at the first of these-the end -Ordovician mass extinction that caused such pronounced change in marine life (little or no life existed on land at that time). 25% of families lost (a family may consist of a few to thousands of species).

第一次大量物种灭绝（c.440 mya）：较为严重的突然全球变冷似乎先发生，然后就有了引起海洋物种显著变化的后奥陶纪的大量物种灭绝（当时很少或者根本没有生物在大路上生存），大约25%的物种科目消失了（一个物种科目可能含有几十到上千的物种）。

Objective To investigate the relationship between ovum fertilization rate and sperm morphology, acrosome reaction in IVF and to explore the influence of parameters of sperm on fertilization rate.

目的 研究体外受精(in vitro fertilization，IVF)中精子形态、顶体反应与卵子受精率之间的关系，分析精子各参数在IVF受精率方面的参考意义。

A: I hear Mr. White wants to run for the Presidency!

我听说怀特先生要参加总统竞选！