良種林 的英文怎麼說
中文拼音 [liángzhǒnglīn]
良種林
英文
elite seed stand-
Klingelnberg cyclo - palloid spiral bevel gear has construction cramped, excellent transmission quality, low noise and loaded vehavior, it ’ s the main form of gear drives in the bevel gear ’ s technology field. it ’ s cyclo - palloid system, two - part cutter head and high power gears ( hpg ), has certain technology particular than gleason spiral bevel gear. systemic analysing the manufacture principle and meshing principle of klingelnberg cyclo - palloid spiral bevel gear, for accomplishing design theory and analysis method, for enhancement manufacture precision and loaded behavior, for promotion and applied in engineering field, have important theory value and actuality meaning. main work of the paper is tooth form emulation and tooth contact analyse of klingelnberg cyclo - palloid spiral bevel gear
克林貝格（ klingelnberg ）延伸外擺線齒錐齒輪結構緊湊、傳動性能優良、噪聲小、承載能力高，是錐齒輪技術發展的主要齒制，其連續切削法，雙層刀盤技術和硬齒面刮削法（ hpg ）相對于格利森制齒輪有一定的技術特點。系統的分析這種齒輪的加工原理和嚙合機理，對完善其設計理論和分析方法，提高加工精度和承載能力，在工程中推廣應用具有重要的理論價值和實際意義。Review and prospect of eucalypt genetic breeding
桉樹遺傳改良是我國人工林樹種改良成功的範例In order to solve this problem, we find a kind of herbages plant - sabaigrass ( eulaliopsis binata ) which not only can accommodate the badly environment of purple soil but also have excellent water and soil conservation effect and good economic benefit. this study adopt quantitative and qualitative methods, through comparative study of four different utilization types : sabaigrass treatment, grass tree solid plating treatment ( planting sabaigrass under fruit trees treatment ), bare land treatment, natural wild grassland treatment, study water and soil conservation effect, soil water condition, soil constructors condition, soil fertility condition and soil surface temperature, then evaluated the water and soil conservation effect of plating sabaigrass in purple soil bare sloping field and probed into water and soil conservation mechanism. the main results are as follows : 1
本研究針對湖南省衡邵盆地紫色巖地區日益惡劣的生態環境，從紫色土荒坡地水土流失治理入手，在尋求出既適應紫色土荒坡地惡劣環境又有良好水土保持作用和一定經濟效應的作物? ?龍須草的基礎上，用定性和定量相結合的方法，以「龍須草純種」 、 「龍須草與果樹立體種植」 （簡稱林草立體種植，下同） 、 「空曠地」 、 「自然野生雜草地」四種不同的土地利用方式進行對比研究，從水土保持效應、土壤水文狀況、土壤結構、土壤肥力狀況、地表溫度狀況等方面分析、評價紫色土荒坡地種植龍須草防治水土流失的效應，並對其機理進行了初步探討，主要研究結果如下： 12. the structure of purple soil is meliorated by sabaigrass. when contrast to bare land treatment and natural wild grassland treatment we knew that sabaigrass treatment and grass tree solid plating treatment reduced soil bulk density, enhanced soil capillary porosity, non - capillary porosity and porosity ratio, decreased soil sand grain content, enhanced soil clay grain and silt grain content so as to reduced the dispersal degree of soil, improved the aggregate capacity of soil, increased the amount of soil aggregate structure, meliorated the water permeability of soil, accelerated the form of good soil structure
龍須草能改善紫色土的土壤結構龍須草純種植被和林草立體種植植被能不同程度地降低土壤容重，減少土壤砂粒含量，增加土壤的毛管孔隙度、非毛管孔隙度和孔隙比，以及增加粉粒含量，從而降低土壤分散度，提高土壤團聚性，增加土壤團粒結構數量，改善土壤的透水性，促進良好土壤結構的形成，最終提高土壤的蓄水保肥性能，增強土壤的抗蝕性和抗沖性。Article 2 " agro - techniques " mentioned in this law refer to the scientific research results and practical techniques to be applied to crop cultivation, forestry, animal husbandry and fishery, including techniques of breeding good strains, applying fertilizers, preventing and controlling plant diseases and insect pests, as well as plant cultivation and animal husbandry ; techniques of processing, preserving, storing and transporting products and by - products of agriculture ; techniques of agricultural machinery and agricultural aviation ; techniques of irrigation and water conservancy, soil improvement and water and soil conservation ; techniques of water supply and energy utilization in rural areas and agricultural environmental protection ; techniques of agricultural meteorology, and techniques of agricultural management and administration
第二條本法所稱農業技術，是指應用於種植業、林業、畜牧業、漁業的科研成果和實用技術，包括良種繁育、施用肥料、病蟲害防治、栽培和養殖技術，農副產品加工、保鮮、貯運技術，農業機械技術和農用航空技術，農田水利、土壤改良與水土保持技術，農村供水、農村能源利用和農業環境保護技術，農業氣象技術以及農業經營管理技術等。The drug, a clindamycin phosphate glucose injection, is also thought to have made as many as eighty patients sick with severe adverse reactions ranging from nausea to kidney and liver damage
這種名為克林黴素磷酸酯葡萄糖注射液的藥被認為同時還導致80位病人出現嚴重的不良反應，這些反應導致從惡心到肝腎等不同程度損害。The feature parameter extraction methods of the underwater target are studied which can improve the performance of the underwater acoustic countermeasure equipments. several feature extraction methods such as the scale invariance feature extraction, target pole extraction fourier - mellin transform etc are investigated by computer simulations. the experimental results demonstrated the efficiency of these feature extraction methods in the applications of underwater target recognition
對多種特徵提取方法如目標相對不變尺度特徵提取、目標極點特徵提取、目標信號的傅里葉?梅林變換特徵提取等進行了模擬研究，結果表明了這些特徵參數提取方法的有效性，具有良好的應用前景。The experimental results show that the characters of tree height, dbh, and volume, etc. of every family progenies of pinus massoniana seed orchard are all evidently higher than those of control ( ck ), 7 fine family materials whose volume growth exceeds the control ' s by 50 % are totally selected as the materials for building p. massoniana improved seed orchard and industrial raw material forest
摘要對漳平五一國有林場馬尾松種子園18個初選家系進行子代測定，採用隨機區組設計、 8次重復，對6年生的樹高、胸徑、材積等性狀進行測定，試驗結果表明：馬尾松種子園各家系子代均明顯高於對照（ ck ） ，共選出7個優良家系材積生長超過對照50 %以上材料，作為營建馬尾松改良種子園和工業原料林的材料。After agricultural duty cancels, involve the corresponding subsidy of benefit farming policy, say now for : commissariat is direct allowance, thoroughbred agricultural machinery and implement of allowance, fertilizer is integrated allowance, retreat return lin sheng n cultivated land vivid allowance, retreat return lin liang to feed allowance of area of allowance, library n cultivated land
農業稅取消以後，涉及到惠農政策的相應補貼，現在稱之為：糧食直接補貼、良種補貼、肥料農機具綜合補貼、退耕還林生活補貼、退耕還林糧食補貼、庫區補貼。The area in question has great conservation value as following aspects : the population of butterfly shows great species abundance ; the heterogeneity of habitat revealed by the presence of multi - subspecies and multi - morphological species provides animals a steady habitat ; the faunal character and vertical distribution of butterflies show great value of ecological study ; the mid - mountain 8002600 ? m that has better environmental condition and less human disturbance is a typical
秦嶺對東洋種的阻隔作用大於對古北種的作用。中山地帶8002600m即暖溫帶落葉闊葉林和中山針闊葉混交林帶環境狀況良好，氣候條件優越，受人為干擾少，因而物種豐富多樣性較大。研究地區具有很高的保護價值。The systematic and synthetic description and review of lianas, chiefly in tropic, are described and reviewed in this paper, in which some ecological questions of lianas are included distributed as follows : ( 1 ) the conception and significances of lianas ; ( 2 ) liana flora and its distribution in the world ; ( 3 ) its biological characteristics ; ( 4 ) its ecological characteristics ; ( 5 ) its abundance ( density ) and species - richness in tropical forest ; ( 6 ) the ecological significance of lianas - aggregation in gap and the variance of its abundance in the process of forest succession ; ( 7 ) the relationship between lianas and trees ; ( 8 ) the positive and the negative contribution of lianas to tropical forest ; ( 9 ) the types of climbing mechanism of lianas and its competitive predominance ; ( 10 ) global climate - variance ( co2 increase ) promotes abundance of lianas to increase, and some ecological consequence are resulted from which
摘要對藤本植物（以熱帶為主）研究的動態與發展進行了綜述，其中包括： （ 1 ）藤本植物的概念及重要性； （ 2 ）藤本植物區系和分佈； （ 3 ）藤本植物的生物學特性； （ 4 ）藤本植物的生態學特性； （ 5 ）藤本在森林中的多度（密度）及種的豐富度； （ 6 ）藤本在空地上聚生的生態意義以及它們在森林演進過程中的消長； （ 7 ）藤本與樹木的相互關系； （ 8 ）藤本對森林正面和負面的影響； （ 9 ）藤本的攀援方式類別及其競爭優勢； （ 10 ）全球氣候變化（ co2濃度增高）促進藤本優勢度增長並導致不良的生態後果。This thesis regard internal property reorganization in the group of pangang as the research object, from chengdu seamless steel pipe limited liability company with chengdu iron and steel works inside exterior environment reorganizing in front and back commences, making use of to exceed the makel - bot with of five factors competition models and the method of factors analysis, after analyzing the reorganization of the business enterprise a profession for facing competes the situation. develop the development the business enterprise with the profession industry from the international local profession rival circumstance after analyzing the reorganization should the market position of the establishment with develop the strategy target. make use of the swot the analysis the method, to after the reorganization the development strategy of the business enterprise, from manage the angle proceeded the fixed position analyzes, for after the reorganization business enterprise development provided four kinds of developments strategy that eligibility choose : the brave development strategy, request the resources advantage, funds advantage, human resource advantage, technique advantage that new company make the most of new business enterprise in empress in reorganization, is an essential condition to increases to manage the level, quickly technique reforms, develop the high and additional worth product with new product production line, as soon as quikly change to strong and large business enterprise, realizes soon steel aircraft carrier dream ; dispersion strategy, the technology market quota with deal with produce high additional worth product, completely promote business enterprise brand image, extend high carry product of the exaltation product, is a necessary means to increases business enterprise performance, realizes business enterprise target ; defense strategy, adjusting the business enterprise organizes construction, reducing the intensive type in labor and the low additional worth product line, lower bad the property saves the deal, alleviating the business enterprise burden, attaining the casual wear go to battle, benefitting to the challenge that make frontal attack the rival ; withdraw strategy, compress the production of the high depletion and high cost product, simplify the production craft, controlling the cost of the end product in the lower level, is a valid path to increases business enterprise competition ability
本論文以攀鋼集團內部的資產重組為研究對象，從成都無縫鋼管有限責任公司與成都鋼鐵廠重組前後的內外部環境入手，運用邁克爾?波特的五力競爭模型及因素分析法，分析了重組后的企業所面臨的行業競爭態勢。從國際國內行業競爭對手情況和本行業發展動態分析了重組后企業應確立的市場地位和發展戰略目標。運用swot分析法，對重組后企業的發展戰略，從管理角度進行了定位分析，為重組后企業發展提供了可選擇的四種發展戰略：即大膽發展戰略，要求新公司充分運用重組后新企業的資源優勢，資金優勢，人力資源優勢，技術優勢，是提高管理水平，加快技術改造，開發高附加值產品和新產品生產線，盡快立於強勢企業之林，早日實現「鋼鐵航母」夢的必要條件；分散性戰略，提高產品的科技含量和生產高附加值的產品，全面提升企業品牌形象，擴大高端產品的市場份額，是提高企業效益，實現企業目標的必要手段；防禦性戰略，調整企業組織結構，削減勞動密集型和低附加值產品生產線，降低不良資產存量，減輕企業包袱，做到輕裝上陣，有利於迎擊競爭對手的挑戰；退出性戰略，壓縮高消耗、高成本產品的生產，降低低端產品的比例，精簡生產工藝，將最終產品的成本控制在較低水平，是提高企業競爭力的有效途徑。Selection and breeding of procedure and request of the main broadleaf trees improved variety
主要造林闊葉林樹種良種選育程序與要求Abstract : this paper gives an in - depth analysis of the types, quantity and quality as well as exploitation and utilization status of the economic forest resources including fruit tree forest, woody grain forest, and woody edible oil forest. based upon this, essential problems existing in the exploitation and utilization of the resources are discussed and countermeasures concerning their sustainable development are identified as : 1 ) to take exploitation and utilization of economic resources as a strategy for improving sustainable agricultural development ; 2 ) to strengthen scientific and technical input, improve high - quality degree of economic forest resources and develop varieties with high international competitive ability ; and 3 ) to energetically develop and transform woody eidble oil and grain forests for the realization of their sustainable development
文摘:對我國經濟（果樹，木本糧食、食用油料）林1 ）資源的類型、數量、質量特徵和開發利用現狀進行了深入分析，同時，探討了經濟林開發利用中存在的主要問題，提出了如下的對策和建議：把經濟林的開發利用當作農業可持續發展的戰略舉措來抓；加強科技投入，提高經濟林的優質良種化程度，發展有國際競爭力的種類；大力發展和改造以及深度開發木本食用糧食、油料林等種類，從而實現可持續發展。This paper gives an in - depth analysis of the types, quantity and quality as well as exploitation and utilization status of the economic forest resources including fruit tree forest, woody grain forest, and woody edible oil forest. based upon this, essential problems existing in the exploitation and utilization of the resources are discussed and countermeasures concerning their sustainable development are identified as : 1 ) to take exploitation and utilization of economic resources as a strategy for improving sustainable agricultural development ; 2 ) to strengthen scientific and technical input, improve high - quality degree of economic forest resources and develop varieties with high international competitive ability ; and 3 ) to energetically develop and transform woody eidble oil and grain forests for the realization of their sustainable development
對我國經濟（果樹，木本糧食、食用油料）林1 ）資源的類型、數量、質量特徵和開發利用現狀進行了深入分析，同時，探討了經濟林開發利用中存在的主要問題，提出了如下的對策和建議：把經濟林的開發利用當作農業可持續發展的戰略舉措來抓；加強科技投入，提高經濟林的優質良種化程度，發展有國際競爭力的種類；大力發展和改造以及深度開發木本食用糧食、油料林等種類，從而實現可持續發展。This paper analysed the silvicultural status and existing problems, and approached the silvicultural technique measure of national forest farm from the respects of sound seedling of fine breed, ground preparation afforestation without burning grass, shubs, and stumps, and chemical weeding, etc
摘要分析了將樂國有林場營林現狀及存在的問題，從良種壯苗、不煉山整地造林、化學除草等方面對國有林場的營林技術措施進行了探討。The results showed that stem volume ( v ) and wood basic density ( bd ) were the most important traits in selection breeding for pulpwood of masson pine and, stand and individul selections shoud be based on the provenance selection
結果表明，馬尾松制漿造紙材的良種選育應以材積和木材基本密度作為主要指標，首先進行種源的選擇，在此基礎上進行林分和個體的選擇。Genetic variations in different levels of masson pine ( pinus massoniana lamb. ) in main traits were studied on the basis of the 12 - year - old data of provenance tests at 7 test locations and the 11 - year - old data of plus progenies at 2 test locations, and the index and strategy in different variation levels on selection breeding for pulpwood in masson pine was also discussed
以7個試驗點12年生馬尾松種源試驗林及2個試驗點11年生優樹子代測定林為基礎材料，在研究馬尾松主要性狀不同層次遺傳變異的基礎上，對馬尾松制漿造紙材良種選育目標及在不同變異層次的選擇策略進行了探討。In order to promote the development of dairy cattle industry and build the brand of chinas dairy capital, the third hohhot dairy cattle beauty contest was held in helingeer county on july 26, 2005. nine districts and counties of hohhot participated in the contest with their best breed dairy cattle
為了促進奶牛養殖業的發展，打造中國乳都的品牌，呼和浩特市第三屆奶牛選美大賽於2005年7月26日在和林格爾縣舉辦，呼市9個區縣都選出自己最好的良種奶牛參加了本屆大賽。The growth of fine provenance families in guangdong and guangxi in the young forest period was widely superior to that of the control, the relatively big differences existed among and inside the provenance families
兩廣優良種源家系幼林期生長普遍優于對照，種源家系間和家系內存在著較大差異。分享友人