查询词典 sapling forest

The simulation of spatial structure of forest stand by visualization method can not only reflect the real state of stand, but also intuitively and easyly provide basis and guidance for forest management.

通过可视化方法对林分空间结构特征进行模拟，既真实的反映林分现实状态，又方便直观的为森林生产经营提供依据和指导。

The results indicated that the soils in the forest zone of Taichung harbor is sand with extremely low organic matter content. This is unfavorable to grow and sprout in forest.

由研究结果得知，台中港林区属於砂土，有机质含量极低，不利於林木生长与萌芽。

On the foundation that to smooth-going county existing state of affairs of economic forest development analyses, use method of linear programming maths, studied with economic benefits most greatly target function, the economy that investment of social labour force is a tie forest expand scope.

在对平顺县经济林发展现状分析的基础上，采用线性规划数学方法，研究了以经济效益最大为目标函数，社会劳动力投入为约束的经济林发展规模。

For slender branch sweet vetch which is up to 40.6% only, and analysis of variance proves that sand willow shrub forest reducing close stratum effect of wind speed has obvious advantages fully too. The seventh, there are many aspects of ecological benefit of city forest in arid and semi-arid areas.

第六、根据多目标灰色关联度评价结果，适应干旱半干旱风沙区城镇庭院绿化的针叶乔木树种为：云杉、落叶松和樟子松，其关联度评价值分别达到0.7720、0.7718和0.7622；落叶阔叶乔木树种为：山桃、垂柳、垂榆，其关联度评价值分别达到0.9554、0.8631和0.8362；花灌木树种为：玫瑰、沙地柏和黄刺玫，其关联度评价值分别达到0.7916、0.7730和0.7492。

A study was made of the foresttype diversity and stability of spruce and fir on Taohe Forest Range by utilizing the periodic variation data of selection cutting and forest management inventory data obtained over there.

利用洮河林区云、冷杉林择伐周期研究和森林资源二类清查样地资料，对该林区云、冷杉林分类型多样性和林分的稳定性进行了研究。

For AHI, it showed evergreen Platycladus orientalis forest was first selection when we recreate outside in coldest winter and hottest summer in Beijing, while the mixed forest should be considered more in spring.5. There were a close relationship among several factors related to ecological health in recreation forests.

AHI显示北京最冷的冬季和最热的夏季户外游憩时，应首先选择常绿的侧柏林，而春季应多考虑混交林。5、游憩林内与生态保健有关的几个因子相互间存在密切的关系。

Herbalife Herbalife products, the source of skin-dimensional characteristics of the The product is world-renowned experts in plant ecology, the international hotspots of biodiversity and communities artificial Association, the Chinese Academy of Sciences, former director of the Kunming Institute of Ecology Professor Feng Yaozong, according to the principles of ecology combination of traditional Chinese medicine theory, the use of modern high-tech means After more than four decades of observation, research, filter selection and repeated clinical trials, the selection of tropical rain forest in Xishuangbanna, Yunnan climate unpolluted virgin forest in the unique natural refined from wild plants.

该产品是由世界著名植物生态学专家、国际热区人工群落与生物多样性协会主席、中国科学院昆明生态研究所原所长冯耀宗教授，根据生态学原理结合传统中医学理论，采用现代高科技手段，经过四十多年的观察、研究、滤选、反复临床试验，精选云南西双版纳热带雨林气候下未受污染的原始森林中特有的天然野生植物精制而成。

But the forest is gloomier ;and more monotonous than the sea, especially the pine forest, which is always alike and almost soundless.

而森林比大海更忧郁更单调。尤其是松林，永远都是一样的，几乎无声的。

Three types of community of 5000m^2, where herbaceous scrub, shrub forest and evergreen broad-leaved forest were damaged by M. micrantha, were established in the Country Park of Hong Kong. The herbicide sulfometuron-methy concentration 0.05~0.1 gm^(-2 was tested to Kill M. micrantha. The effect of herbicide sulfometuron-metny killing M. micrantha and its influence on other plants and species diversity in communities were analyzed.

在香港郊野公园内选择薇甘菊危害较严重的草灌丛、灌木林和常绿阔叶林3种群落类型，设置样地5000平方公尺，用0.05~0.1gm^(-2)嘧磺隆对样地中的薇甘菊进行化学防除试验，并在施用除草剂后3、5和14个月跟踪调查施药对薇甘菊的杀灭效果以及对样地中其他植物和群落物种多样性的影响。

Mainly; The export of deep processed product represented by furniture increases rapidly, but the international Chinese wood furniture anti-dumping situation is serious; Log, saw material, paper, paper pulp still forest products imported to rely on product mainly The overall state of international trade of the wooden forest products in China is shown as: It result in seriously imbalance between supply and demand not domestic last international market raw materials import not alleviating; The comparative advantage of processing industry represented by labor intensity is remarkable, the exit increase for the panel products (the plywood , single-board ); The international competitiveness of the deep processed product improves progressively , the international competition contradiction still exists; The lasting unfavorable balance of revenue and expenditure of trade, is the strong support index of coordinating the whole China's favorable trade balance..

中国木质林产品国际贸易总体状况表现为：国内供需矛盾导致严重依赖国际市场原材料进口缓解；以劳动密集为代表的加工业比较优势显著，板材产品出口增加；深加工产品国际竞争力逐步提高，仍存在国际竞争矛盾；贸易收支持续逆差，是协调整体中国贸易顺差的有力支撑指标。

The studies on the developing of new media are very important to the increasing of the area density of HDD and to the implementation of hybrid recoding technology.

光磁混合记录方法，是一种可以突破超顺磁极限的限制，并进一步提高硬盘记录密度和读写速率的一种新型超高密度信息存储方式。

In io, mTOR inhibition promotes T cell anergy under conditions that would normally induce priming.

体内研究中，在正常可激发免疫反应的条件下，抑制mTOR可促使T细胞无能。