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The Forest fire prevention is the technology which has much relations with geographic information, so if we make use of 3S technology, we can greatly improve the levels in the area of monitoring, saving, forecast, analyze, statistic and decision so as to prevent in unfired state and discover at litter fire and save life and properties in time. Only by this way can we reduce the losses from forest fire disaster and protect the forest ecological resources and pepoles life and properties.

作为与地理信息密切相关的森林防火,采用3S技术,可以大为提高森林防火的监测、救援、预测、分析、统计、决策水平,从而防患于未燃,发现于小火,及时扑救,最大限度地减少森林火灾的损失,保护森林生态资源和人民生命财产安全。

3Using long-term measurement of forest ecosystems, together with r elative data provided by forest resource inventory, hydraulic and meterorologica l departments, we estimate the various forest benefit values of Heilongjiang Pro vince, including those for visible and invisible products. Transferring the "pr oducts" to currency value using equivalent replacement of beneficial products f or currency and standard dimension, the total value is 498.687×108 yuan which takes up 32.7%of the total annual average provincial production (1522×108 yuan).

3引用多年森林生态系统定位研究结果,并参照森林资源调查、水利、气象等部门提供的有关数据,计算出黑龙江省森林各类效益值(有形产品和无形产品的产量),通过等效益物替换和货币置换法进行&产品&的转换和量纲统一,最终得出黑龙江森林总效益值为498.687×108元,占全省(1990-1992)年平均总产值1522×108元的32.7%。

Forest ecological benefits index system can divided into two kind from the conception of forest ecological benefits measuration, such as dependent variable of region and stand, independent variable.

本文从森林生态效益计量角度出发,阐述了森林生态效益的定义,指出它与森林资源的相关为第二类相关,并将森林的生态效益的指标体系划分为自变量(区域自变量和林分自变量)和因变量两类。

These pollen maps show significant vegetation changes during the past 10 000 years in the current forest regions of Northeast China, with the early Holocene characterized by the widely distributed Birch, the mid-Holocene by the development of temperate deciduous forest mainly consisting of Quercus and Ulmus, and the late Holocene by the marked increase in Pinus abun dance and the development of temperate mixed conifer and deciduous forest.

花粉图展示了东北地区植被演化的主要特征。桦树在全新世初期遍布从三江平原到辽东半岛南端的东北东部地区,在森林中占据绝对优势地位;榆属和栎属等阔叶乔木在早中全新世的大部分时间内是东部森林中的主要种类;在大约5kaBP以后,松属在东北现在的森林地区开始增加,云、冷杉属也表现出较明显扩大,中北部地区的森林覆盖度可能比原来增大了。

This paper criticizes some theories about value of natural resources, explains the value of forest resources with Marx's labor axiology,thinks that the value is determined by the labor-time in socially necessary on utilized the worst woodland which based social wants in process of reproduction of forest resources,not by the total price of various use value.It puts forward that the value of a use value of forest resources is a compensation of stated value of forest resources on this use value,and its compens...

该文批判了西方有关自然资源的效用论、地租论和传统马克思主义经济学中的无价论、实用论,运用马克思劳动价值论解释森林资源的价值,认为其价值量决定是由森林资源再生产中已利用的最差等级林地的以社会需要为基础的社会必要劳动时间决定的,而不是森林各种使用价值的加总,各种使用价值的价值量是一定的森林资源价值量在该使用价值上的分摊量,其价值补偿是成本补偿而不是效益补偿。

Although afforested areas were increasing rapidly, the quality of forest was declining.

森林质量性状的改善对于维系和增加森林资源至关重要,但在我国森林经营管理中一直存在重数量、轻质量的现象,随着造林面积的增加,森林质量却在下降。

Urban forest is the lively infrastructure of a city. As citifying process develops, it is impossible to develop large-scale green land in the downtown of a city. What s more, the efficient city ecological green-land system, which doesn't equal to the simple that expansion, requires considerable proportion of suburb green space and city forest resources, in order to deeply control the space-time development of those resources and accurately understand the various influence that natural and unnatural factors bring to those resources.

城市森林是有生命的城市基础设施,随着城市化进程的推进,城市中心区不可能大规模地发展绿地,而且,高效的城市生态绿地系统不是简单的成片扩展,要求含有相当比例的近郊绿色空间和市域林带,因此,为了更好地掌握城市森林资源的时空动态,准确了解自然因素和非自然因素对城市森林资源产生的各种影响,就必须对城市森林资源实施动态监测。

Urban forest is the lively infrastructure of a city. As citifying process develops, it is impossible to develop large-scale green land in the downtown of a city. What s more, the efficient city ecological green-land system, which doesnt equal to the simple that expansion, requires considerable proportion of suburb green space and city forest resources, in order to deeply control the space-time development of those resources and accurately understand the various influence that natural and unnatural factors bring to those resources.

城市森林是有生命的城市基础设施,随着城市化进程的推进,城市中心区不可能大规模地发展绿地,而且,高效的城市生态绿地系统不是简单的成片扩展,要求含有相当比例的近郊绿色空间和市域林带,因此,为了更好地掌握城市森林资源的时空动态,准确了解自然因素和非自然因素对城市森林资源产生的各种影响,就必须对城市森林资源实施动态监测。

Gilpin, in his account of the forest borderers of England, says that "the encroachments of trespassers, and the houses and fences thus raised on the borders of the forest," were "considered as great nuisances by the old forest law, and were severely punished under the name of purprestures, as tending ad terrorem ferarum —— ad nocumentum forestae, etc.," to the frightening of the game and the detriment of the forest.

吉尔平在他的英格兰森林中的居民记录里面,写着:&一些人侵占了土地,在森林中就这样筑了篱笆,造了屋子,&在&古老的森林法规中,这是被认为很有害的而要以强占土地的罪名重罚的,因为ad terrorem ferarum——ad nocumentum fore-stae等等&使飞禽恐惧,使森林受损。

The national forest park was first established in China in 1982, with the purpose of meeting recreation opportunities, protecting ecological environment and fores biodiversity, and serving as a base of scientific research and outdoor education.

为满足人们的游憩愿望、保护森林生态环境和生物多样性、提供科研和教学实践基地,我国于八十年代初开始兴建森林公园,至2000年底,已建国家森林公园345处,推动了森林旅游业的发展。

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However, as the name(read-only memory)implies, CD disks cannot be written onorchanged in any way.

然而,正如其名字所指出的那样,CD盘不能写,也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

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A single payment file can be uploaded from an ERP system to effect all pan-China RMB payments and overseas payments in all currencies.

付款指令文件可从您的 ERP 系统上传到我们的电子银行系统来只是国内及对海外各种币种付款。