查询词典 selection precinct

Through discussing the urban forest connotation, this paper pointed out some existing problems of tree species selection in present urban forest culture, and raised the urban forest culture tree species selection principle.

通过对城市森林内涵的探讨，指出了当前城市森林培育中树种选择存在的一些问题，提出了城市森林培育树种选择的原则。

It is a must to be solved urgently issue that coordinating the forestry economic and ecological benefits, In this study, the research based on the forest species selection, on the basis of carrying on field investigation to forester in some areas of Hebei Province, analyzed the influence of foresters operating different forest species and factors of influence forest species selection.

内容提要林业经济效益和生态效益的协调是当前林业发展亟待解决的问题。以林农对林种的选择为切入点，在实地调研的基础上，分析林农经营不同林种对协调林业经济效益和生态效益产生的影响以及影响林农选择林种的因素。

There are some questions such as forest fire model selection, forest fire model updating, verifying simulation accuracy and so on in traditional forest fire spreading system. Study purpose is to build an innovative forest fire spreading simulation system based on DDDAS in this paper. The system can increase precision of forest fire spreading simulation by model base, model selection, model updating and so on. It can provide a strategic decision for forest fire save and new technologies demonstration for other related field of research. The research encompasses several major topics:(1) This paper brings up the term of dynamic data driven forest fire spreading simulation system and supplies new research approach and thought for forest fire spreading simulation study. The system framework was brought.

本研究针对传统林火模拟过程中存在的模型手动选择难度大、模型修正数据获取效率低、模拟精度验证困难等问题，以DDDAS为林火蔓延模拟研究的技术范式，提出林火蔓延模拟全新的技术框架体系，解决模拟系统建设过程中的模型库建设与管理、模型适宜性选择、模型自适应修正、模拟过程实时验证等关键技术，建立林火扩散模拟和实际林火发展之间相互协作、共生的林火扩散动态模拟系统；提高林火蔓延模拟精度，将林火蔓延模拟真正应用到林火扑救指挥过程当中，在实践上为林火扑救指挥提供决策支持，在理论上为相关领域的空间扩散模拟研究提供新的思路和技术范式。

Many tree species at the same time and solve the spatial heterogeneity which empirical method could not achieve. Therefore, the assessment method could be applied in the selection of species for afforestation or species selection in the forest restoration areas.From collecting the attributes of planting species, spatial distribution data and environmental factors, we could integrate and analyze the data for further simulating the forest dynamics of forest in Taiwan. The impact of global change on forest also could be evaluated.

应用生育地因子评估树种之生态地位，能解决统计实证方法在空间异质性使用的限制，并可同时评估多种树种，因此可应用在造林树种之选择，亦可应用於崩塌地复育造林树种之选择，以及林相改良造林树种之选择，在收集更多树种属性与空间分布资料后，配合此评估方法，未来更可模拟出台湾森林之动态，以及评估环境变迁对台湾森林所造成的影响。

Herbalife Herbalife products, the source of skin-dimensional characteristics of the The product is world-renowned experts in plant ecology, the international hotspots of biodiversity and communities artificial Association, the Chinese Academy of Sciences, former director of the Kunming Institute of Ecology Professor Feng Yaozong, according to the principles of ecology combination of traditional Chinese medicine theory, the use of modern high-tech means After more than four decades of observation, research, filter selection and repeated clinical trials, the selection of tropical rain forest in Xishuangbanna, Yunnan climate unpolluted virgin forest in the unique natural refined from wild plants.

该产品是由世界著名植物生态学专家、国际热区人工群落与生物多样性协会主席、中国科学院昆明生态研究所原所长冯耀宗教授，根据生态学原理结合传统中医学理论，采用现代高科技手段，经过四十多年的观察、研究、滤选、反复临床试验，精选云南西双版纳热带雨林气候下未受污染的原始森林中特有的天然野生植物精制而成。

This course is an attempt to give the students the basic idea and method of forest management in order to prepare the management plan; Place of forest management in forestry; Content of forest management; Guide principles of forest management; Sustained working; Silvicultural system; Forest yield; Increment; Volume increment; Quality increment; Price increment; Total price increment; Forest maturity; Indicating percent; Productive stage; Physical rotation; Technical rotation; Rotation of maximum volume yield; Highest forest rent rotation; Financial rotation; Cutting cycle of selection system; Normal forest; Normal distribution of age classes; Normal arrangement of stands; Normal increment; Normal growing stock; Normal yield; Improvement of actual forest; Reserve forest; Reserve fund; Planning and plan of forest management; Forest regulation; Area allotment; Volume allotting method; Volume frame work; Area-volume combined frame work; Growing stock; Utilization percent method; Difference method; Pure age-class; Growth method; Control method; Forest subdivision; Forest surveying; Forest survey; Certainty of future policy of forest; Selection of species; Decision of silvicultural system; Decision of rotation; Regulation of future yield; Preparation of management plan; Working the plan; Control and revision of management

本课程之目的为使学生了解森林经营之基本观念及方法，以期编订经营计划，课程包括森林经营学在林学上之地位、森林经营学之内容、森林经营之指导原则、保续作业、森林作业法、森林收获、生长、材积生长、形质生长、腾贵生长、总价格生长、林木成熟期、指率、生产期、自然轮伐期、工艺轮伐期、材积收获最多轮伐期、森林纯益最大之轮伐期、财政轮伐期、择伐林之回归期、法正林、法正龄级分配、法正林分排列、法正生长、法正蓄积、法正伐采额、现时林之改良、预备林、预备金、森林经营上之规划及计划、收获预定、面积配分法、材积配分法、材积平分法、折衷平分法、蓄积法、利用率法、较差法、纯粹龄级法、生长量法、稽核法、森林区划、森林测量、森林调查、将来森林经营方针之确定、树种之选定、作业法之决定、轮伐期之判定、将来收获之预定、经营管理计划之编订、计划之执行、经营管理计划之稽核与检订。

In normal fisher valve repair in general less damage to the implementing agencies fisher valves mainly in fisher sealed valve body and outer sealing maintenance organizations according to Jiangyin Oulei Si understanding fisher control valve sealed agencies and organizations outside the sealed according to the use of fisher control valve selection of different operating conditions change so to do maintenance on the essential Fisher control valve of the valve seal body of the fisher should be very understanding and to the maintenance of the Fisher control valve selection to do with confidence thus it will help Fisher control valve repairs!

在正常fisher阀门维修中，一般fisher阀门执行机构损坏较少，主要集中在fisher阀门内密封机构及外密封机构的维修上，据江阴市欧雷斯了解， fisher控制阀门的内密封机构及外密封机构、根据fisher控制阀的使用工况变化而选型不一，因此要做好Fisher调节阀维修就必需对fisher阀门的密封机构要相当了解，并且要对Fisher调节阀维修的选材做到胸有成竹，由此才有助于Fisher调节阀维修的工作！

Running faulty and type selection process are introduced for the slurry pump in phosphoric acid tank area, summarization is made for type selection of slurry pump, as well as for application effect after its reformation; by means of reformation for coupling of single screw pump imported, running rate is increased by 1%, phosphoric gain rate is increased by 3%.

介绍磷酸罐区泥浆泵的运行故障和改型过程，总结了泥浆泵选型及改造后的使用效果，通过对进口单螺杆泵联轴节的改造，运转率提高1％，磷酸装置磷得率提高3％。

The transformation period is short, and the selection marker system has the advantages of safe product, simple selection procedure, remarkable effect of screening, no influence on metabolic balance of converted plants and so on. In addition, the detection method is quick, sensitive and reliable.

本发明转化周期短，选择标记系统具有产物安全、选择程序简单、筛选效果显著而且不影响转化植物的代谢平衡等优点，并且检测手段快速、灵敏、可信度高的。

Green JiangGuCun fashion GongMi has now become a healthy life style, through the strict selection of JiangGuCun bagged rice processing color for home outfit, senior GongMi, is produced in northeast China by cafa selection process of rice shell, your family is staple food.

绿色时尚的江家村贡米现在已经成为了都市生活中时尚健康的选择，经过严格加工色江家村袋装大米，为家用装高级贡米，是由产自东北稻子的子实脱壳精选加工，是您家庭主食的首选！

Molecular Distillation is a kind of high vacuum distillation method, which is suitable for the separation of high boiling, heat sensitivity and viscidity products.

分子蒸馏技术是一种在高真空条件下进行的连续蒸馏过程，适合于分离高沸点、热敏性及具有生物活性的混合物。

They are to the Noughties what yuppies were to the Eighties .

那在六十年代是时髦的，但在八十年代肯定是过时了