查询词典 forest

The influence of environmental variables on distribution of PAHs(1) The concentrations of PAHs were higher in warm temperate zone and subtropical zonethan in low temperature zone;(2) The concentration in plain, hilly land and Ya\'an mountainousregion were higher than in other places;(3) The concentration in paddy fields, dry land andforests were higher than in artificial land and grass;(4) There was positive correlation betweenthe concentration of PAHs and TOC. The correlation was more obvious for 4-rings PAHs thanfor 5-, 6-rings PAHs;(5) The concentration of PAHs in acid soils was higher than in alkali andneutral soils;(6) The concentrations in conifer and spinney forest were higher than inbroad-leaved forest.Part two: The temporal and spatial distribution characteristics of POPs at Basin-MountainTransect.

环境因素对多环芳烃分布的影响(1)温带和亚热带地区土壤多环芳烃含量高于低温地区土壤中多环芳烃含量；(2)在平原、匠陵和雅安市附近的山区多环芳烃含量高于其他地区含量：(3)水田、旱地和林地多环芳烃含量高于建筑用地和草地中含量；(4)多环芳烃含量和土壤总有机碳含量成正比，四环多环芳烃与总有机碳的相关性高于其他多环芳烃的相关性；(5)酸性土壤中多环芳烃含量高于碱性和中性土壤中含量；(6)针叶林和灌木林多环芳烃含量高于阔叶林中的含量。

On the network of 3-dimensional perspective projcction transforming and the forest resource DBASE data, the color forest stereogram can be drawn. The problem of the railway linear base will succed in being solved.

通过三维图象的透视投影变换和与森林资源 dbase 数据的联网，可绘制彩色森林立体专业图，并成功地解决了铁路线型库的问题。

The rain forest contains many varieties of these strangler fig trees, and their fruit is a critical food source for numerous rain forest dwellers, including monkeys, civets, butterflies, and ants.

热带雨林包含许多各种各样的绞杀植物的无花果树，它们的果实是危险的食物来源对于许多雨林居民，其中包括猴子，麝猫，蝴蝶，和蚂蚁。

By regarding the forest-sum growth-cutting rate as the control variable and judging its optimality by "norm minimum", we have given a existence theorem of the optimal control for the area distributing systems of forest trees by utilizing space L2(0,T)'s reflexivity, smoothness and strict convexity.

本文将林木总和长消率作为控制变量，以"范数最小"来衡量其最优性，利用空间L2（0，T），T＞0的自反、光滑和严格凸性，给出了森林面积分布系统最优控制的一个存在性定理。

Summing up the flow of forest measuring effectively and accurately by 3D laser scanning imaging system,the method of indoor work data processing,the method of picking up factors of forest mensuration as well as the method of measuring volume of stumpage and crown were summarized by the experiment in Xiaolong Moumountain of Gansu Province.

通过在甘肃省小陇山林业局的试验，总结了三维激光扫描成像系统进行精准测树的流程、内业数据处理方法、提取各种测树因子的方法、测量立木材积以及树冠体积的方法。

Forest resources are pine, cedar, bamboo, tea-oil and so on, the county forest stumpage volume of 2.23 million cubic meters.

林业资源有松树、杉树、楠竹、油茶等，全县森林活立木蓄积量223万立方米。

Already carried out commodity material 5 years continuously " 0 " plan, adopt at the same time ", fly, go to, canal " wait for a variety of methods, increase zoology commonweal Lin Jian to set strength, natural resources of entire county forest gets persistent developing, the forest is enclothed rate increased 8 percent, vivid stumpage save up adds; of 1.202 million stere completely 2 be by onefold wood economy change is economy of zoology diversified economy.

已连续五年实施了商品材"0"计划，同时采取"封、飞、造、管"等多种手段，加大生态公益林建设力度，全县森林资源得到持续发展，森林覆盖率增加了8个百分点，活立木蓄积净增120.2万立方米；二是由单一的木头型经济转变为生态型多种经营经济。

Data for the study were collected by field survey and collection of second-hand material.The main conclusions of the study include: 1 the transfer of collective forest land and stumpage will determine to what extent the aims of the current institutional reform will be achieved; 2 at present the transfer is highly affected by the transfer institution, while the requirement of transaction in the market is not suited to farmers; 3 farmers earn money from the transfer, while they do not benefit reasonably from the transfer; 4 farmers'economic activities are not completely rational, and their economic behaviors are affected by cognitive degree on the institution, non-agricultural production activities, investment in forestry, and family status; 5 there are large variations among those who take over different forest lands and stumpages, however they all try to maximize their owns profits; and 6 policy regulation plays negative influence on the development of transaction market.

本研究结论如下：第一，集体林地林木流转的开展情况对于集体林权制度改革目标实现的影响重大；第二，集体林地林木流转现状反映了现行流转制度安排；第三，农户通过流转得以增收，但流转收益并不完全具有合理性；第四，农户转出林地林木行为受制度认知程度、非农生产活动、林业生产投入和家庭状况等多层面因素影响；第五，受制度约束影响，受让方流转行呈现差异性；第六，政策规制的存在，影响了流转市场发育。

Tea Camellia sinensis (L. O. Kuntze is main economic forest of subtropic forest ecosystem in China. Only in Zhejiang province there is 2.51×10~5 hm~2, and the area is spreading.

茶是组成我国亚热带森林生态系统的主要经济林，仅浙江省就有2.51×10~5hm~2，且其面积还在不断扩大。

The latter can be further divided into mid-subtropical northern typical-evergreen broadleaved forest subzone and southern part of mid-subtropical southern evergreen broadleaved forest subzone with the floral components of South China.

后者分为北部典型常绿阔叶林亚地带，南部含华南植物区系成分的常绿阔叶林亚地带。

We stopped by the old fashion ice cream parlor Manhattan Beach Creamery for some refreshment. The "No Shoes, No Shirt, No Problem" sign on the wall epitomizes the beach lifestyle.

我们去商店区的一家老式冰淇淋店坐坐，墙上挂著「没鞋，没上衣，没问题」的牌子完全捕捉了海滩生活的随性及风格。

"If therefore", argues Bellarmine we can offer our prayers and our satisfactions in behalf of those detained in purgatory, because we are members of the great body of Christ, why may not the Vicar of Christ apply to the same souls the superabundant satisfaction of Christ and his saints--of which he is the dispenser?

" "因此，如果"，认为贝拉明（德indulgentiis ，十四）"我们可以提供我们的祈祷和我们满意的代表那些被拘留在炼狱，因为我们是成员的伟大基督的奥体，为什麼可能不是牧师基督适用於同样的灵魂满意的过剩是耶稣和他的圣人-他是在配药？