对于为什么树线以上的树木会突然停止生长，至今还没有一个公认的解释。
There is still no universally agreed-on explanation for why there should be such a dramatic cessation of tree growth at the upper timberline.
这里60%以上的树木都是当地特有树种，其中许多属于珍稀树种。
More than 60% of the trees are endemic and many of them are considered rare.
其实造纸业将消耗将近40%的工业用木头，17%的木头被用来制造打印纸和手写纸，这其中用到的原木甚至包含了一百年以上的树木。
The paper industry USES 40% of commercially produced wood, and 17% of the wood used to produce printing or writing paper comes from virgin forest that contains centuries - old trees.
报告认为，解决以上两方面问题的一种方法是加强森林治理——在实践过程中，治理意味着要找出办法，理顺各方对树木和土地有争议的所有权要求。
The report says one way to address both problems is to strengthen forest governance - which in practical terms, means finding ways to sort out conflicting claims on trees and land.
在森林以上的地方仍有灌木丛和树木，开始笼罩着我们的薄雾现在已经在我们脚下了，无疑这一段是整个徒步旅程中最美妙的。
The mist that enveloped us at the start was now beneath us. This was without doubt the nicest bit of the walk.
利用以上方法，建立一些描述具体自然对象的数学模型，成功地模拟了山峦、树木、树叶和蕨类等自然景物。
And builds some mathematics models. Using these models and methods, some nature scenes are simulated successfully, for example: terrain, tree, leaf and fern etc.
本条例所称古树后续资源是指树龄在八十年以上一百年以下的树木。
The ancient trees'follow-up resources mentioned in these Regulations refers to trees over 80 years and under 100 years old.
具有重要科研价值的。本条例所称古树后续资源是指树龄在八十年以上一百年以下的树木。
Trees with important scientific research value. The ancient trees 'follow-up resources mentioned in these Regulations refers to trees over 80 years and under 100 years old.
再结合相关的温暖天气的预报，比如地面温度达到冰点以上的话，那么等待你的将是一场由树木制造的完美的“花粉风暴”。
Combine that with relatively warm forecasts with no more freezing temperatures on the horizon and it's a perfect storm of pollen-filled trees.
再结合相关的温暖天气的预报，比如地面温度达到冰点以上的话，那么等待你的将是一场由树木制造的完美的“花粉风暴”。
Combine that with relatively warm forecasts with no more freezing temperatures on the horizon and it's a perfect storm of pollen-filled trees.
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