干旱

The most challenging problem of Australia is aridity .

澳大利亚面对的最大的挑战就是干旱。

Over millennia changes in climate have resulted in greater aridity of the Tibetan Plateau.

超过千年的气候变化，导致西藏高原干旱更大的。

The most challenging natural problem of Australia is aridity .

干旱是澳大利亚面临的最具挑战性的自然问题。

Actually dryness, or aridity, as it is generally called by geographers, is probably the most challenging of Australia's natural problems and so it is very important in this course for you to have a good understanding of the subject.

确干燥干旱，正如地理学家所说，这可能是澳大利亚自然问题最大的挑战，是这堂课最重要的，你可以对这门课有好的理解。

Northern China ; soil moisture ; aridity ; climate change

中国北方；土壤湿度；干旱化；气候变化

In this area ,the ecological environment is veryrigorous for living things,and aridness and wind and sarid are main threats.

塔克拉玛干沙漠属极旱荒漠地区，生态环境十分严酷，干旱和风沙为害是最主要的生态环境问题。

The thicker the straw mulching, the more significant the effect. But the effect was limited by soil aridness and growth stage of maize.

稻草覆盖可减轻玉米旱害，其效果随着覆盖量的加大而越明显，但受干旱程度和生育期影响。

Along the Mekong River, flooding is becoming increasingly worse for the downstream countries in recent years while aridness is also getting worse during dry seasons.

沟通在湄公河流域，这几年下游国家的洪灾越来越严重，但旱季时却变得更加干旱，那里的人们感到很气愤，认为是中国在上游不负责任地修大坝造成的结果。

The unusual atmosphere circulation and the failed moisture transportation are the meteorological reason to the Inner Mongolia's aridness too.

内蒙古地区土地贫瘠，土壤含水量不高，自身调节能力差，是内蒙古干旱的重要原因。

The characteristics of major, trace and rare earth elements suggest a protolith association of ironrich dolomitic pelite,calcareous mudstone and greywacke intercalated by pelitic limestone and marlite, calcareousbearing arkose, which was deposited in the setting of dry, intertidal or laguna with insufficient supply of the terrigenous detrital material.

常量元素、微量元素和稀土元素的分布特征说明是一套由富铁白云质泥岩-钙质泥岩、钙质杂砂岩夹泥质灰岩、泥灰岩-含钙质长石砂岩组成的沉积建造，形成于干旱气候、潮间带或泻湖、陆源碎屑供给不足的环境中。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。