查询词典 forest tree
- 与 forest tree 相关的网络例句 [注:此内容来源于网络,仅供参考]
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5 Yuan, money tax plants 1 tree , 200 yuan of tax plant 1 mu of forest.
5元钱捐植1棵树、200元捐植1亩林。
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Stand in different growth period by weibull distribution function.(6) Height and diameter of a tree are two factors to show growth in upright and cross. When they are young, the ratio of height and diameter is more than 1. It shows the fact that natural stand, especially natural sprout forest grows fast in early period. Later, with the age increasing, the ratio of height and diameter gradually reduces. In nearly mature stand and mature stand, increment of diameter is over increment of height.
5树高和直径是表明林木纵向生长和横向生长的两个特征因子,在幼龄阶段,高径比大于1,说明天然林,尤其是天然萌生林早期高生长快的特点,此后随着年龄的增加,高径比逐渐减小,在近成熟或成熟阶段,直径生长量超过树高生长量。
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This attributes to the abundance remnant nutrients remaining in the stump. However, in later growing stage the difference between the two regeneration patterns gradually shrinks, in tree height the seeding individuals even exceed the sprouting ones. This reflects that the sprout forest exist premature senility phenomenon.
但是到了生长后期,两种更新方式形成的个体间生长量差异逐渐的缩小,在树高生长上实生个体的生长甚至超过了萌生个体的生长,这反应出了萌枝更新形成的萌芽林存在林木早衰的现象。
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Suiting for disposing in factory and suburb outer edge belts in terms of protection against wind and preventing sand from drifting, the tree is populous, and the bashes are sand willow and slender branch sweet vetch Among them, sand willow shrub forest in the nearly stratum 10cm layer, can decrease wind speed by 60.3%.
上述野 外试验和盆栽试验都证明上、下覆膜和美国干水处理保墒效果较好、性能稳定,可以在干旱半干旱地区城市森林植被建植过程中大面积推广应用。
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The development strategies were brought forward from multiple categories of forest composition, selection of tree species and their configuration, optimization and reconstruction of stand structure.
该文从多林种、多树种配置,造林树种选择和林分结构的优化与调整方面提出现有林的发展策略,并提供了现有林的经营类型和对应各种立地类型的造林树种。
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urban forest ; selection of tree species ; planting trees on the sites best suited ; priority of ecological benefits ; principles
笔者针对这些问题进行研究,以期能提出有效解决这些问题的原则和方法。1 适地适树原则[1]在森林培育学中,适地适树
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At Gyungpo Beach, you can relax sitting by the sea and the pine tree forest.
在镜浦海水浴场可以看到清澈的东海海水和青翠的松林,尽情享受充满假日的悠闲。
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The moonlight picked out the stable's roof of pallid thatch, and the first tree-sentinels of the forest a stone-throw away.
月光映照着马厩那苍白的茅草屋顶,一箭之远,就是森林最边缘的树木。
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Here where cactus may grow as tall as a tree, the ring-tailed lemur has adapted from forest leaf –eater to connoisseur of cactus.
这里的仙人掌可以长得与树一般高,环尾狐猴也己经适应了从以树叶为食到以仙人掌为食的转变。
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Mangroves are plants, the majority of mangrove plant leaves, tree trunks are not red, but why it is called red forest?
红树是绿色植物,多数红树植物的叶片、树干均不红,却又为何称为红树林呢?
- 推荐网络例句
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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。
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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
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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。