Forest system productivity is essential feature of forest ecology system.
林业系统生产力是林业生态系统最本质的特征之一。
The research on CO2 flux in forest system was one of the hot topics in global changes.
森林生态系统CO 2通量的研究已成为全球变化研究的热点之一。
This paper gives the purposes and necessity of estimation of forest system productivity;
为此提出了对林业系统生产力量化的必要性、目的和意义；
The result offers reference on protection forest system construction in small watershed.
这一结果为小流域尺度防护林建设提够了一定价值的参考依据。
GPS is widely used in forest system and it is of the function of position, navigation and quadrature.
GPS在林业系统中的应用广泛，具有定位、导航、求积三大功能。
Puerto Rico's 28,000-acre El Yunque National forest is the only tropical rain forest in the United States National forest System.
波多黎各的28,000英亩的云雀国家森林是美国国家森林体系中唯一的热带雨林。
Shaanxi Provincial "Three-North Protection Forest System" development was one of the Six Key Forestry Programs in Shaanxi implemented by the State.
陕西三北防护林体系建设工程是国家在陕实施的六大林业重点工程之一。
The study on construction technology of soil and water conservation forest system in large project district in semi arid desertification grasslands has been done.
同时对在半干旱荒漠草地大型项目区水土保持林体系的建设技术做了研究。
Construction and scientific administration of the shelter forest system while rationally allocating different tree species is the fundamental measure to control the PLB disasters.
指出构建并科学经营多树种合理配置的防护林体系是控制防护林杨树天牛灾害的根本措施。
The only tropical rain forest in the United States' national forest system, Caribbean national forest is a 28,000-acre (11,330-hectare) preserve to the east of the capital, San Juan.
加勒比国家森林是美国国家森林系统中唯一的热带雨林，占地达28,000英亩(11,330公顷)，保护着首都圣胡安的东部地区。
Irrational land use and forest cutting have resulted in the serious degradation, the decrease of land productivity and the water and soil erosion in the fragile soil system and forest system.
不合理的土地利用方式和对森林的不合理砍伐导致脆弱的土壤系统和森林生态系统的严重退化、生产力下降和严重的水土流失。
The effects of the sandbreak forest system in Yulin sandy area on the sandbreak, soil improvement and natural vegetation recovery were studied by investigating their configuring structure and species.
通过对陕北榆林风沙区防风固沙林体系的配置结构、树种组成、防风固沙效益、改良土壤的作用以及对天然植被的影响等的调查、观测和分析，结果表明：其配置结构较为合理，生态效益较为显著。
Most surprisingly of all, plants have an amazing system of communication that can link nearly every plant in a forest.
最令人惊讶的是，植物具有一个惊人的交流系统，可以把森林里的几乎每一株植物连接起来。
Rainforests have their own perfect system for ensuring their own survival; the tall trees make a canopy of branches and leaves which protect themselves, smaller plants, and the forest animals from heavy rain, intense dry heat from the sun and strong winds.
雨林有自己完善的系统来确保自身的生存；高大的树木有枝叶形成的树冠层来保护自身，树冠也保护着矮小的植物以及动物不受暴雨、酷暑及强风的侵扰。
The forest, by recycling the water that falls on it through evapotranspiration, plays an important part in this system.
由于通过蒸腾作用来循环那些降入丛林中的水，森林在上述系统中发挥了相当重要的作用。
The system (or an administrator) merges stands periodically to improve performance-the fewer stands in a forest, the better the query response times.
系统(或管理员)定期合并树木以提高性能—森林中的树木越少，查询响应时间就越好。
The liquid can be recycled back to the ecosystem by being applied to a memorial garden or forest or simply put into the sewerage system.
得到的液体可以被生态系统回收利用，比如可以将其回收至墓地、森林或是直接排入城市污水系统。
WIDE SHOT as the glow spreads through the forest like a vast nervous system.
广角镜头森林像一个巨大的神经系统光在这个系统里蔓延。
Back in Pavlovo Pasad, Anya Kirilova says the promise of equipment to stop future forest fires does her no good, because right now, she needs a system that works.
但在巴甫萨德，基里洛娃说，承诺购买更多的设备以在将来阻止森林大火对她来说没什么意义，因为她现在就需要一个可以运转的系统。
The information system is designed to facilitate documentation on forest health at the country level.
该信息系统旨在推动各国编制国家森林健康文件。
The crab's endocrine system also stockpiles enough sugar to allow the crabs to return to their forest homes, Turner added.
特纳补充说，红蟹的内分泌系统也储备了足够多的糖分，足以支撑它们返回位于雨林的老家。
A custom irrigation system keeps the felt moist with a fertilizer solution modeled after the rainwater that trickles through forest canopies.
特制的不规则灌溉系统仿效林冠覆盖，涓涓不断地输送肥料溶液滋润着毛毡。
Last month the Forest Development Authority hired SGS, an inspection firm, and Helveta, a software firm, to set up a system to track all of Liberia's timber.
上个月，林木开发局雇佣SGS(一家核查公司)和Helveta(一家软件公司)建立起一套跟踪利比里亚所有木料的系统。
Nissan's hybrid FUGA car is already using the 'Forest AC' air conditioning system which is designed to recreate 'the refreshing breezes, temperature, humidity and aroma of natural forests'.
日产混合动力风雅（FUGA）汽车已经配备了‘森林交流’（Forest AC）空气调节系统，其设计目的是在车内模拟自然森林的清新微风、温度、湿度和气味。
It implies that the REDD system now exists; and it offers a promise about the Kamula Duso forest which nobody can make until the outcome of a court case to settle who owns it.
它暗示“减少森林砍伐和退化造成的温室气体排放”系统现在已经存在；而且它提供了对KamulaDuso森林的保证，在这之前没有人可以在法院决定其归属之前作出这种保证。
The FAO Global Information System on Forest Genetic Resources is strengthened and further developed.
《世界森林遗传资源状况》将把别国报告和关于森林遗传资源保护及管理方面重要问题的主题研究成果作为信息来源。
The mangrove forest also sequesters carbon dioxide in its root system.
红树林的的根系可以起到隔绝碳的作用。
Furthermore, "it has a remarkable hydrogeological system where the forest generates at least half of its own rainfall."
此外“亚马逊自身卓越的水文地质系统可以让森林自身产生的水量至少是森林降水量的一半。”
Furthermore, "it has a remarkable hydrogeological system where the forest generates at least half of its own rainfall."
此外“亚马逊自身卓越的水文地质系统可以让森林自身产生的水量至少是森林降水量的一半。”
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