自然區 的英文怎麼說
中文拼音 [zìránqū]
自然區
英文
natural area-
They are jinfo mountain in nanchuan county ( natural protection section ), wuling mountain in qianjiang county ( national emphases forest demonstration county which forest cover rate is beyond 50 % ) and zhongliang mountain in beibei county ( artificial destruction is very grave ). some main land use patterns i. e. woodland, garden, infield, abandon infield, shrub and grassplot are selected in those three sample sites. four aspects on soil fertility index of karst environment under different land use patterns in these three sample sites, are revealed in this paper, by using the field test, indoor measure and analysis, outdoor experiment and field investigation, and the knowledge and technique of soil, ecology, physics and chemistry etc. they are physical characteristic ( effective soil thickness, organic layer thickness, soil texture, water - stable aggregate and soil water etc. ), chemical fertility ( organism, omni - n, omni - p, omni - k, alkali - nitrogen, available p, available k and rapid available k etc. ), soil animalcule ( bacteria, fungi, actinomyces and their grosses ) and soil - seed - pool ( plant community diversity index ) in karst ecosystem
本研究以重慶市的南川金佛山（自然保護區） 、黔江武陵山（國家重點退耕還林示範縣，森林覆蓋率50以上）和北碚中梁山（遭人為破壞嚴重）典型巖溶區為對象，選擇了幾種重要的利用方式，包括林地、果園、耕地、棄耕地和灌草坡，採用野外巖溶生態調查和室內試驗測量分析相結合的方法，以不同土地利用方式巖溶土壤肥力為重點，對不同土地利用方式土壤肥力特徵進行量化分析，找出巖溶土壤肥力差異的主要方面及其根本原因，論文主要從土壤剖面物理退化指標（有效土層厚度、有機質層厚度、質地、團聚體、水分含量等） ，化學肥力退化指標（有機質、全n 、全p 、全k 、堿解n 、速效p和速效k等） ，樣地土壤微生物指標（細菌、真菌、放線菌數量及總量）以及樣地土壤種子庫植物群落多樣性等4個方面對重慶典型巖溶區的土壤肥力特徵進行了較為詳細的分析研究，為巖溶地區士壤資源的合理利用及結構的調控管理提供依據。This is the first systematic taxonomic study that has been carried out on wild agarics under the woods of tsuga chinensis var. techekiangensis and pinus massoniana of wuyishan nature reserve
傘菌是森林生態系統中的重要組成部分，武夷山自然保護區的菌物資源十分豐富，迄今為止尚未有人系統地對其做過研究。Peasant households are affected by natural environment condition, the policy and market factor mainly while confirming that plants the cotton, the level of cotton price of the market has influence on the adjustment that peasant households plant the cotton area the coming year, during the process of using the variety of cotton, lay particular emphasis on and consider and popularize cost and benefit, community, neighbourhood relation and agricultural extension service system while being agrotechnical
農戶在確定是否種植棉花時主要受自然環境條件、政策和市場因素的影響，市場棉花價格的高低對農戶來年植棉面積的調整有影響，而在使用棉花品種的過程中，則側重考慮農技推廣成本與效益、社區及鄰里關系和農業推廣服務體系。In influencing the inside factors of peasant household ' s decision, have householder ' s schooling, population, workforce ' s quantity and land area, householder ' s schooling and land area exert a great influence on peasant household ' s decision ; the external factors of influencing peasant household ' s decision have natural environment conditions, agrotechnical to popularize cost and benefit, policy, market, community and neighbourhood relation, popularize service system
在影響農戶決策的內部因素中，有戶主文化程度、人口和勞動力數量及土地面積，戶主文化程度和土地面積對農戶決策的影響較大；影響農戶決策的外部因素有自然環境條件、農技推廣成本與效益、政策、市場、社區及鄰里關系、推廣服務體系。Distribution, formation and characteristics of the saline - alkalized land in northeast china was systematically analyzed and agro - biological measures for management of saline - alkalized soil were illustrated, including cultivation of rice to wash down salts, cultivation practices, soil building practices, plantation of salt - tolerant plants and biological removal of alkali, etc. in the paper
特殊的氣候、地形和水文地質等自然因素以及人類不合理的農業技術措施和社會生產活動等人為因素加劇了該區鹽堿化發生、分佈與演變。Standard of climatic zoning for highway
公路自然區劃標準Study on the third level climatic zoning for highway in sichuan and chongqing
重慶地區公路三級自然區劃的探討The new method of physicalgeographical regionalization of central china
華中區自然區劃研究的新方法The observation on quantity distribution of fleas on domestic rodents for different natural areas in fujian, china
福建省不同自然區劃中家棲鼠形動物體外寄生蚤數量分佈的觀察According to the different thermal fields and the maximum thermal gradient, the thermal stress of lean concrete base with asphalt surface can be calculated through fem, and the formula of calculating thermal stress for lean concrete base with asphalt surface is also brought forward based on that
根據不同自然區劃的溫度場和最大溫度梯度，得出貧混凝土基層瀝青路面中的基層溫度應力的有限元解，於此提出了基層溫度應力的計算公式。This part revolves around the issue on how to develop agriculture and presents an analysis on the agricultural development potentials of western region in jilin province, and brings up the general pattern and six concrete patterns of eco - environment - oriented and profit - oriented agriculture at the guide of three principles. this part also makes an agricultural regional planning in the western region of jilin province
首先展開對農業發展模式的爭論，然後分析西部農業發展的潛力，進而在三個原則的指導下提出西部地區發展生態環保型效益農業的總體模式；針對西部的實際，將總體模式細化為六種具體的生態環保型效益農業模式；結合西部農業區劃及有關的自然區劃，對未來西部農業發展模式進行地域結構規劃。These include protecting natural areas and limiting the amount of chemicals in building materials
這些條件包括保護自然區，以及限制建築材料中的化學品含量。Under the modern economic circumstances, the upper reaches of the changjiang riser are not only a natural region, but also an overlap between natural and economic regions
摘要在現代經濟條件下，長江上游地區不僅僅是一個自然區，而是一個以經濟區為重要特徵的自然區和經濟區重疊區域。Results show that qaidam mountain desert region has the highest average ecological risk value 4. 2585, followed by guoluonaqu alpine scrub meadow region 2. 7640 and qinghai and qilian mountain steppe region 2. 7335 among these ecosystems alongside qinghai - xizang highway and railway through six natural regions. as far as land cover types are concerned, the top three ecological risk values appear in the needle - leaved forest 4. 3096, desert ecosystem 4. 1174 and land without vegetation 3. 6182 respectively, which are higher than those in the other seven land cover types in the study site
評價結果顯示：青藏公路鐵路沿線生態系統所跨越的6個自然區的平均生態風險值居前3位的是：柴達木山地荒漠區4 . 2585 ，果洛那曲高寒灌叢草甸區2 . 7640青東祁連山地草原區2 . 7335沿線10種植被生態系統平均生態風險值居前3位的是：針葉林生態系統4 . 3096荒漠生態系統4 . 1174和無植被地段3 . 6182 。These this include protecting natural areas and limiting the amount of chemicals * in building materials
這些包含保護自然區域和減少建築材料的中的化學物質。Geography human, physical and regional geography, environmental studies, geographic information systems and spatial analysis
地理-人文自然區域地理環境研究地理資訊系統空間分析Less scientific ? and political ? attention is being paid, on the other hand, to that type of nature close to where people live and work, to small - scale green areas in cities, and to their benefits to urban dwellers
較少有人在科學或政治方面注意到接近人類生活和工作的自然區域類型，城市中小型綠色區域以及它們對于城市居住者的益處。Generally to say, nature reserve is the area which is according to the law to protect the wild animals and plants, the ecosystem, the geological construction and the nature syntheses including the water source. in this area, human beings ’ activities are restricted in some degree so that it could maintain nature status
一般來說，自然保護區是依據國家相關法律法規建立的以保護野生動植物、生態系統、地質構造以及水源地等自然綜合體為核心的自然區域，在這塊區域內人的各種活動受到不同程度的限制，以使這一區域保持自然狀況。423 persons answered the questionnaires and 139 out of them were identified as ecotourists. the result of classification is proved to be effective by prediction validity test, content validity test, theory validity test and convergence validity test. in addition, the ecotourists were classified as hard ecotourists, frequent ecotourists and occasional ecotourists farther according to the times they traveled to nature - based destinations every year and their new ecological paradigm grade which is used to evaluate the visitors attitude to environment. frequent ecotourists and occasional ecotourists both fall category of soft ecotourists, so the " hard - soft " classification system is founded, which will help propel ecotourist studies in china to develop towards the current international mainstream of the field
以北京市百花山自然保護區為例，在總結國外相關研究經驗的基礎上，採用k階最近鄰knn和反向傳播bp前饋型多層神經網路所構成的綜合分類器對百花山遊客中的生態旅遊者進行識別，又根據「每年去相對原始的自然區域的旅遊次數」和環境態度尺度nep得分兩項指標將生態旅遊者進一步細分為嚴格的生態旅遊者經常的生態旅遊者和偶爾的生態旅遊者，其中經常的生態旅遊者和偶爾的生態旅遊者歸為一般的生態旅遊者，從而構建起嚴格的一般的生態旅遊者分類體系。Gansu province lies in the interface of loess plateau, inner mongolia plateau and qingzang plateau in the northwest of china
甘肅地處中國的中部偏北，位於黃土高原、內蒙古高原和青藏高原的交匯處，是我國唯一橫跨三大自然區的省份。分享友人