有树木的

Clear-cutting is favored by the timber industry over the alternative, selective cutting of individual trees in a forest, for several reasons.

相比在一片森林中有选择性的砍伐树木，伐木公司更偏爱皆伐，有几方面的原因。

In the primary school department and junior high school department of, is "lie tiger square", in have a flower to have the grass contain tree, particularly flower, grow very beautiful, the color is also very fresh and gorgeous, there is the red, Huang of, white of, blue of, purple of ……the right in"lie tiger square", around the pond of hemicycle, in have fountain, the whole"lie tiger square" looks very tranquil and enjoyable.

在小学部与初中部之间，是"卧虎广场"，里面有花有草有树木，尤其是花儿，长得非常美丽，颜色也很鲜艳，有红的，黄的，白的，蓝的，紫的……在"卧虎广场"的右方，围绕着半圆形的水池，里面有喷泉，整个"卧虎广场"看起来很幽雅。

The United Nations declared Isle Royale an International Biosphere Reserve in 1981 owing to its 200 species of wildflowers (including 32 species of orchids), 238 recorded species of birds (including the American black duck and red-breasted merganser), several dozen species of trees, four dozen species of butterflies, and much, much more.

事实上，不仅不孤单，我也从未感到寂寞。1981年﹐联合国宣布皇家屿为国际生物保护圈﹐因为岛上有200种野生花卉（包括32种兰花），238种观察有案的鸟类（包括美国黑鸭和赤胸秋沙鸭），几十种树木，将近50种蝴蝶，还有许多许多其它品种。

In l664 the great English diarist,John Evelyn,published,with the approval of the Royal Society of London,a book Sylva or a Discourse of Forest Trees in which one sees,perhaps for the first time,a realization that trees,then so important in the construction of ships,were indeed becoming sadly

年，英国伟大的日记作家J·Evelyn，经伦敦皇家学会批准出版了一部森林志，即《林木论》。在这本著作中，人们可以说是第一次了解到一个现实：当时，在造船业中如此重要的树木的确正在悲惨地遭到浩劫；必须采取紧急措施，通过认真植树以便确保未来有足够的树木。

In l664 the great English diarist,John Evelyn,published,with the a roval of the Royal Society of London,a book Sylva or a Discourse of Forest Trees in which one sees,perha for the first time,a realization that trees,then so important in the co truction of shi ,were indeed becoming sadly depleted and that something urgently needed to be done by way of deliberate planting to e ure enough for the future.

年，英国伟大的日记作家J·Evelyn，经伦敦皇家学会批准出版了一部森林志，即《林木论》。在这本著作中，人们可以说是第一次了解到一个现实：当时，在造船业中如此重要的树木的确正在悲惨地遭到浩劫；必须采取紧急措施，通过认真植树以便确保未来有足够的树木。

It was a truly magical place thickset with trees to climb ,wild boysenberries---fat snd juicy , the scent of rich soil and pine trees , the sound of the small brook within , and birdsong echoing throughout .

那是一个真正神奇的繁盛的方：有树木可以攀爬，有肥大多汁的野生杂交草莓，有肥沃土地的香味和松树，有林子里湍湍小溪的叮咚声，还有小鸟的欢歌回荡在林中。

However,the fractal studies are directed at growth models basis on growth mechanism of plant and model of the form only consider of the appearance of plant,unlinked to Structural Mechanics of trees and conclude three-dimensional coordinates.

本项研究试图通过分形理论为研究树木的力学性质提供空间结构模型，因而分形研究的结果是要构建出有三维坐标的树木力学结构模型，为下一步进行力学性质分析打下基础。2。

All sorts of fossils are included in the mix, ranging from fossilised plants, trees, fish, reptiles and corals to gastropods, bivalves and crinoids.

这里有各种各样的化石，从植物、树木、鱼、爬行动物和珊瑚虫，到腹足动物、双壳类动物和海百合类动物都有。

Belts of parklands line three sides of the area and four large open squares of lawns and trees break the regularity of the city buildings.

带状绿地从三面环绕，区内的四块空地上有草坪也有树木，打破了市内建筑物的单调格局。

Second,we set the database of morphological characteristics of intercepted and captured bark beetle during quarantine,and the last,we studied the molecular identification of 15 species.The results were showed as below.1.Application of bark beetle semiochemicals in timber quarantine1.1 EAG and walking responses of bark beetle to different semiochemicalsSemiochemicals which can induce the olfactory response and aggregation behavior of bark beetle include host volatile components,pheromones secreted by bark beetles itself or synthesized with host compounds by bark beetles,and the compounds released by tissue of decaying wood under the pressure of microorganism after bark beetle colonization.

信息化合物在小蠹虫检疫中的应用1.1小蠹虫对各种信息化合物的触角电位及嗅觉反应能诱发小蠹虫产生嗅觉反应，进而使之产生聚集行为的信息化合物有很多种，主要包括：树木的挥发性组分；小蠹虫自身产生的信息素和寄生后转化寄主化学物质合成的信息素统称虫体信息素以及树木被小蠹虫寄生后，其组织在微生物作用下释放的物质。

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。