田面 的英文怎麼說
中文拼音 [tiánmiàn]
田面
英文
field surface-
The oil field itself has dimensions of roughly 12km by 3km.
油田面積約為123平方公里。The results show that : the main driving forces of arable land change of shouguang county are the per capita income, the ratio of the pasture output value, the ratio of the cropping output values and the ratio of agricultural labor force proportion ; the main driving forces of arable land change of quzhou county are the variation of grain yield per unit area, the ratio of the pasture output value, the ratio of the cropping output values, the ratio of grain field areas and the population density
結果表明：壽光市耕地變化的主導驅動力包括人均收入、牧業總產值比例、種植業總產值比例和農林牧漁業勞動力；曲周縣耕地變化的主導驅動力包括糧食單產、牧業總產值比例、種植業總產值比例、糧田面積佔耕地面積比例和人口密度。在此基礎上，揭示縣域尺度上耕地變化的驅動機制，並為進一步進行土地利用覆蓋變化研究積累方法和經驗。The paddy area was extended to900000 mu last year
去年稻田面積擴大到了90萬畝。Within the 10 meter depth contour there are 69, 600 hectares of shallow mud flat fit for sea culturing. the major cash aquatic products are of 214 species, 120 families and 21 kinds. the area of salt field is 1677. 6 hectares
3萬公頃，主要經濟水產品有14類107科173種，淡水主要經濟水產品有7類13科41種；且為粵東著名產鹽基地，現有鹽田面積167770公畝；全市有林面積20High fertility rates are leading to extreme local environmental pressures ? water stress, land degradation, overhunting and overfishing, falling farm sizes, deforestation and other habitat destruction ? thereby worsening the grave economic challenges these lands face
高生育率會對當地環境造成嚴重的沖擊：水資源不足、土地遭受侵蝕、過度漁獵、農田面積縮小、山林濫墾和其他生物棲息的地區受到破壞，讓原本就很棘手的經濟困境雪上加霜。The methods of gps - data processing and the way to calculate field area using triangle division were put forward in this paper, and the software was programmed to calculate field area through gps
給出了gps數據的處理方法，提出了使用三角形分割法計算農田的面積的方法，並編程實現了農田面積的gps測量計算。Because of the irregular shape of farm, different calculation methods of field area were studied. besides gps software, triangle division were also put forward in this paper and the software was programmed to calculate field area through gps
針對農田的不規則形狀，研究了區域面積的計算方法，除利用gis的軟體求面積外，提出三角形分割法和泰森多邊形求面積的方法，並通過編程實現了農田面積的求解。Article 25 people ' s governments at various levels and agricultural production and operation organizations shall map out plans and take measures to organize the construction of irrigation and water conservancy works and shelter forests so as to ensure the steady expansion of farmland with stable yields despite of drought or waterlogging
第二十五條各級人民政府和農業生產經營組織應當制定規劃，採取措施，組織農田水利和防護林的建設，保證旱澇保收農田面積的穩定增長。Variations of nitrogen and phosphorus in surface water body of a paddy field
水稻田面水中氮磷素的動態特徵研究Rule of lose of nitrogen in the surface water of rice fields and the control technology
水稻田面水氮素動態徑流流失特性及控制技術研究The planted flowers area occupies 341 acres along with province highway area
公頃，是盆景苗木生產專業區，菊花田面積就占Several trends are converging to reduce the grain area, including the loss of irrigation water, desert expansion, the conversion of cropland to nonfarm uses, the shift to higher - value crops, and a decline in double - cropping due to the loss of farm labor in the more prosperous coastal provinces
糧田面積萎縮是多種趨勢匯合共同作用的後果，包括灌溉用水短缺、沙漠擴大、糧田轉為非農用地、改種高價值作物，以及在比較富裕的沿海省份由於農業勞動力缺失致使一年兩作的萎縮。F ) to retreat cultivation 1. 467 million ha for reforestation or recovering grass. g ) attheend, to adjust the proportion of cultivated land, forest, grassland from 7 : 6 : 1 to 1 : 1. 4 : 1. 2, this proportion is reasonable ratio for land use structure. for getting the above strategy targets, we must handle of the following relations : a ) the relation between development and environment protection ; b ) the relation between population and land resources ; c ) the relation between construction and farmland protection ; d ) the relation between quality and quantity of farmland ; e ) the relation between land using and economy development ; f ) the relation between land exploitation and landscape worth maintaining, etc. for getting the above strategy targets, we must also adopt some good measures : a ) to control the construction occupying farmland ; b ) to use land intensive ; c ) to improve low - yield farmland ; d ) to make regional land resources distribution effective ; e ) to make comprehensive profit ; f ) to make family planning continually ; g ) to promote urbanization, etc. by carrying out these measures, land resources in shanxi province can be used sustainable
同時，論文對土地資源利用潛力和未來趨勢進行了科學推理，提出了山西土地資源永續利用的戰略目標：到2015年，全省耕地面積穩定在433 . 3萬公頃左右，基本農田面積保持在366 . 7萬公頃左右，保證糧食產量100億千克；各項建設用地控制在14 . 2萬公頃，其中佔用耕地在7 . 9萬公頃，土地開發、復墾、整理補充耕地10萬公頃，改造中低產田10萬公頃，治理水土流失面積1 . 13萬公頃，發展園林草地146 . 667萬公頃（含退耕還林還草99 . 2萬公頃、園地6 . 7萬公頃） ；經過長期努力，使林草地總面積達到865 . 6萬公頃，耕地、林地、草地比例由現在7 6 1逐步調節到1 1 . 4 1 . 2較合理的比例。Water quality sampling of the wells began in april 2002 and proceeded approximately monthly through december 2003. by the means of soil and vegetation treatment system, riparian buffers are established between field agriculture and stream in order to reduce contamination flowing stream
通過探索性示範研究，在大田農業與受納水體之間許建立濱岸緩沖帶，利用土壤?植被處理系統的方式，削減農田面源污染物質進入水體的污染負荷。With combining optimization method, an optimal model of determining synthetic surface roughness coefficient in film hole irrigation was developed
實例計算與方法驗證表明，該方法能夠簡單而有效地確定膜孔灌溉田面綜合糙率系數。Based on water flow movement characteristics in film hole irrigation, a zero - inertia model form surface water flow movement in film hole irrigation were presented in this paper
根據膜孔灌溉田面水流運動特性，建立了膜孔灌溉田面水流運動零慣性量數學模型，並將其與優化理論相結合，提出了確定膜孔灌溉田面綜合糙率系數的優化模型。Abstract : based on water flow movement characteristics in film hole irrigation, a zero - inertia model form surface water flow movement in film hole irrigation were presented in this paper
文摘:根據膜孔灌溉田面水流運動特性，建立了膜孔灌溉田面水流運動零慣性量數學模型，並將其與優化理論相結合，提出了確定膜孔灌溉田面綜合糙率系數的優化模型。Study on dynamic change of three kinds of nitrogen in surface water of paddy field
稻田田面水中三氮濃度的動態變化特徵研究The oil field itself has dimensions of roughly 12km by 3km
油田面積約為12 3平方公里。After urea application, there are more nh4 + than no3 - in the water surface
尿素施用后，田面水中以銨態氮為主，硝態氮比例較少。分享友人