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林木

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The key species damaging the forests were Chinese zokor and grass rabbit.

林木造成巨大危害的种类主要为中华鼢鼠和草兔。

Tree species ; spore density ; BIOLOG ; soil microbial community structure

林木;孢子密度; BIOLOG ;土壤微生物群落结构

Was the special fruit tree of China, which had great development prospects.

仁用杏有很强的抗逆性,是我国非常有发展前途的特色经济林木,尤其适宜我国自然条件恶劣的&三北&地区发展。

The reduced relationship between forest floor C∶N and tree growth with increasing ecosystem Ncontent suggests the mineral soil N supply has the capacity to'buffer'immobilisation by coarsewoody debris and maintain adequate N availability.

随着生态系统中N含量的增加,森林地被物C∶N比与林木生长之间的相关性逐渐减弱,这个结果表明,土壤中N供给可以缓和立地上大木质碎片对N的固定作用,从而保证有足够的有效N供应。

Its the best model tree specie in forest engineering genetic breeding, So it has many advantages, such as smaller genome, easier to propagate and operate than many other tree species through traditional and molecular methods.

由于其基因组小,有性和无性繁殖容易,在传统和分子操作上要比大多数树种简单,所以它是林木基因工程育种的理想模式树种。

More than 170 hectares were afforested, reducing water runoff from the hillsides.

超过170公顷的土地已植有林木,以减少雨水从山坡流下。

Many forest tree species have multiple archegonia which, after fertilization produce a number of proembryos

许多林木树种都有颈卵器,受精以后便产生许多原胚。

Many forest tree species have multiple archegonia which, after fertilization produce a number of proembryos

许多林木树种都有颈卵器,受精以后便产生许多原胚。在传粉与受精的间隔期间,他们毁坏了雌球花。

The trees and hedges, the grass and wild flowers in the foreground, all suggest that Nature has not been dragooned into obedience.

农舍前那些林木、树篱、绿草、野花全都证明了自然没有屈从于人类。

He said, after this many years of planting trees and building forests, Beijing has already greatly raised the rates of forest greening and forest coverage and also the per capita area of green land, but many places have merely been greened, while people have no way to enter and relax because there are no roads and absolutely no coordinated leisure facilities.

他说,经过这么多年的植树造林,北京不管是林木绿化率、森林覆盖率,还是人均绿地面积都已经大大提高了,但很多地方只是单纯的绿起来了,人却无法进去休闲,因为没有路,也没有任何配套的休闲设施。

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推荐网络例句

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时,他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了

The enrich the peopling of Deng Xiaoping of century great person thought, it is the main component in system of theory of Deng Xiaoping economy, it is a when our country economy builds basic task important facet.

世纪伟人邓小平的富民思想,是邓小平经济理论体系中的重要组成部分,是我国经济建设根本任务的一个重要方面。