These lordly forest trees, with their huge shadows, towering there like so many giants--what immense lives had they lived through the centuries!
在这庄严的森林里,这些高树连同它们巨大的影子,就像许多巨人在矗立着----这许多世纪它们在这里度过了无限的光阴啊!
Tropical forest trees are absorbing about 18% of the carbon dioxide added to the atmosphere each year from burning fossil fuels, substantially buffering the rate of change.
每年化石燃料燃烧产生并排放到大气中的碳排放,有18%被热带森林吸收了,大大减缓了碳排放的增加速率。
Article 37 No one may throw away or pile up objects or plant forest trees or high stalk crops in rivers, lakes, reservoirs, canals or channels, which block the passage of flood water.
第三十七条禁止在江河、湖泊、水库、运河、渠道内弃置、堆放阻碍行洪的物体和种植阻碍行洪的林木及高秆作物。
This information has laid a solid foundation for using transgenic technology to cultivate new varieties of forest trees for high yield, fine quality, high stress tolerance and pest resistance.
这些重要基因的获得为利用转基因技术培育高产、优质、抗逆、抗病虫害的林木新品种奠定了一定的基础。
Poplar is one of the most fast-growing forest trees.
杨树是最速生的树种之一。
Phosphorus stress is often an environmental stress for forest trees.
磷胁迫是森林树木常常遭遇到的逆境。
The presence of forest trees in agroforest systems influences the level distribution of soil nutrients of …
而林木的存在对农田土壤养分的水平分布产生了明显的影响。
In this paper we discuss the optimal control existence problem for the area distributing systems of forest trees.
本文研究森林面积分布系统的最优控制问题。
These conditions should be appreciated when considering estimates of neighborhood size for forest trees given in the literature.
当参考文献中所给的林木邻域大小估计量时,这些情况都应当予以考虑。
The main methods to characterize population genetic structure at isozyme loci and their applications in forest trees were reviewed.
本文评述了群体同工酶基因位点遗传结构研究中的主要度量方法及其在森林树种中的应用概况。
The results demonstrate that EST-CAPS marker technology could be reliably applied to genetic map construction in Eucalyptus and other forest trees.
因此,EST -CAPS标记技术可有效用于遗传图谱的构建,可以为桉树及其它树种提供研究参考。
The basic work is the assets accounting and the difficulty is how to solve problems of multiple benefits, rise in value of natural growth and risk of forest trees assets management.
林木资产计价的基础工作是进行林木资产的核算,林木资产核算的难点,是要解决好林木资产的多效益、自然生长增值以及经营风险性大的问题。
But the brook, in the course of its little lifetime among the forest trees, had gone through so solemn an experience that it could not help talking about it, and seemed to have nothing else to say.
但在林间流过它短短生命的溪水,其经历是那样地肃穆,不可能不把它讲出来,而且看来也别无其它可说。
To gather samples from the Giant Forest trees, the researchers were allowed to collect cross-sections of downed logs and standing dead trees, he said.
史威特南说,为了获取巨木林中树木的年轮样本,研究人员被允许可以收集倒下树木或枯立木的横截面。
But the brook, in the course of its little lifetime among the forest-trees, had gone through so solemn an experience that it could not help talking about it, and seemed to have nothing else to say.
但在林间流过它短短生命的溪水,其经历是那样地肃穆,不可能不把它讲出来,而且看来也别无其它可说。
There were few buildingsthen, north of the Oxford-road, and forest-trees flourished, andwild flowers grew, and the hawthorn blossomed, in the now vanishedfields.
那时牛津街以北房屋还少,在今天已消失的野地里还有葱笼的树木和野花,山楂开得很烂漫。
There were few buildingsthen, north of the Oxford-road, and forest-trees flourished, andwild flowers grew, and the hawthorn blossomed, in the now vanishedfields.
那时牛津街以北房屋还少,在今天已消失的野地里还有葱笼的树木和野花,山楂开得很烂漫。
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