林木

Logistic regression was used to model tree mortality of Larix based on the data from l31 diameter-class groups of l2 forest management inventory remeasured plots in Wangqing Forestry Bureau of Jilin Province.

根据来自吉林省汪清林业局森林经理调查的12个落叶松复位样地的131个径阶组数据，应用Logistic型回归式建立了落叶松林木枯损模型。

Just a year ago China appeared to be upending the decades-old order in Africa, stepping into the void left by large Western companies too timid to invest in the continent's resource-rich but fragile states as the market for copper, tin, oil and timber （树木,林木;木材,木料） soared to new heights.

中国采取不附加任何条件的做法，而且非常喜欢冒险，因此似乎向非洲提供了一套完整的经济和政治替代方案。多年来，西方国家和国际援助机构硬要非洲接受附加种种条件的援助和进行经济体制改革，但是往往引不起对方什么兴趣。

That is a rich mosaic of meadows,rivers and woods.

那是一幅由草地、河流和林木组成的五光十色的镶嵌画。

Use right of woodlands, it shall be up to the people's government at the

第十七条单位之间发生的林木、林地所有权和使用权争议，由县级以上人民政府依法处理。

The use right for other forests, trees and other woodlands

国务院规定的其他森林、林木和其他林地使用权。

Hydrothermal condition is very important to the exsit of Chimonanthus germplasm. Soil matrix is mostly sand and loam soil. Chimonanthus germplasm is the dominant component of forest layer and bush layer.

蜡梅属植物对水热条件要求较严格，土壤基质多为沙壤土，在群系组成中，蜡梅属植物多为林木层和灌木层的优势成分。

According to regulations of the government, in addition to afforested land, the area of bush forest, the area of forest land inside farm land and the area of trees planted by the side of farm houses and along the roads, rivers and fields should also be included in the area of afforested land in the calculation of the forest coverage-rate.

在计算森林覆盖率时，森林面积包括郁闭度0.2以上的乔木林地面积和竹林地面积，国家特别规定的灌木林地面积、农田林网以及四旁（村旁、路旁、水旁、宅旁）林木的覆盖面积。

Topics in this course include: The environment of plants; Photosynthetic light reactions; Carbon fixation; Water relations.

课程内容包括林木的生育环境、光合作用光反应、碳固定作用及水分关系。

The crown of a tree can block, reflect and absorb solar radiation, and take in hot air by means of evaporation.

树木的树冠可以阻截、反射及吸收太阳辐射，也会经由林木的蒸发作用而

A stand of trees in which at least 80 percent of the trees in the main crown canopy are of a single species.

指一片主要树冠至少有80%属于同一品种的林木。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。