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Overall. vegetation was unstable, floristic composition was dominated by adversity-resistant species, and annual species had a higher ratio in this region. The dominant soil particle was sand and soil water and other nutrient contents were low. The eco-environment was fragile and erodible.

总体上看,该地区植物群落多以耐瘠薄性强的植物组成,一年生植物比例较高,植被不稳定,土壤组成主要以砂粒为主,土壤含水量低,养分贫瘠,环境脆弱,易产生风蚀、沙化。

Gliricidia Sepium, for example, is a Central American tree that grows well even in poor, dry soil.

例如,毒鼠豆树生长在中美洲,它甚至在贫瘠干旱的土壤中也能茁壮成长。

The 0-40cm soil layer soil mean value looked that mixes by the interlacing broadcasts the lawn soil ulmin, the alkaline hydrolysis nitrogen content to be highest; The fast-acting phosphorus, the fast-acting potassium are highest by the unicast awnless brome lawn content; The colleague mixes broadcasts lawn pH to be biggest.

无芒雀麦对土壤要求不严,耐贫瘠、严寒,耐碱性也较强,需氮较多,适宜与紫花苜蓿、沙打旺、野豌豆、百脉根、红三叶等豆科牧草混播,借助豆科牧草固氮作用,促进无芒雀麦良好生长[4]。本实验就是无芒雀麦单播草地和与紫花苜蓿混播草地对土壤理化性质的影响进行比较。

More than seven million Yi people live in China, mostly in isolated and deforested mountainous regions of southwestern China.

中国有超过7百万彝族,其中大部分居住在中国西南与世隔绝的贫瘠山区。

Lean penury within that pen doth dwell, That to his subject lends not some small glory, But he that writes of you, if he can tell, That you are you, so dignifies his story.

那枝文笔实在是贫瘠得可怜,如果它不能把题材稍事增华;但谁写到你,只要他能够表现你就是你,他的故事已够伟大。

And this decay impoverishes our spiritual lives.

这种衰退让我们的灵性生活变得贫瘠。

The main findings were as follows: 1.the studied on the research area soil fertility factor and the quality of material had carried on the traditional statistical analysis,compared with the nation second general detailed soil surveys nutrient grading standards result indicated that the sampling area main fertility factor density concentrated much in medium and lacks level;The AP content was lower,the type area soil was more barren.

主要研究结果如下: 1。对研究样区土壤肥力因素和质地进行了传统统计分析,并与全国第二次土壤普查的养分分级标准比较结果表明,采样区主要肥力因素量值多集中在中等及较缺水平;速效磷含量更低,样区土壤较为贫瘠。

An arid region with little or no vegetation.

一个干旱贫瘠、有很少或根本就没有植被的区域。

That hill in the Barrens that kinda looks like a ding-a-ling from the right angle.

贫瘠之地那座从直角看上去有点傻的山丘。。。?

The characters of karsts soil are four:(1) soil layer is thin and the soil is barren;(2) the soil is not continuously distribution and separated by the stone-teeth;(3) water and soil resources are separated;(4) slopping field is more, the flat is few.

岩溶区土壤资源的特征是:①成土速率慢,土层薄,土壤贫瘠;②土被不连续,多被石芽所间隔;③水土资源分离;④坡地多、平地少。

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It seems likely that Kraft will return with a better offer.

看起来卡夫要重新考虑一个更好的出价了。

But he'd rather burn off my feelers and watch me squirm.

可他却放任那个家伙对我为所欲为!

He consistance of the population dissociation coefficient method andthe sample dissociation coefficient method for the calculation of structural reliabilityin solid rocket motors was reviewed.

依据结构强度-工作应力理论模型,应用数理统计方法和对某团体发动机大量试验数据的实例计算,证明了总体变异系数法和样本变异系数法在结构可靠性计算中的一致性。