field ridge 中文意思是什麼

field ridge 解釋
田壟
  • field : n 菲爾德〈姓氏〉。n 1 原野,曠野;(海、空、冰雪等的)茫茫一片。2 田地,牧場;割草場;〈pl 〉〈集...
  • ridge : n 1 【動物;動物學】脊;脊背。2 山脊;嶺,崗;分水嶺,山脈。3 屋脊;(犁溝與犁溝間的)犁壟;鼻樑...
  1. Second, according to field investigation and wind - tunnel experiment, some scholar s advanced that barchan dunes often appear in dynamic equilibrium shapes when th ey move along the direction perpendi cular to the dune ridge under the influence of unimodle sand - moving wind

    風成沙的紅化和圓度特徵不宜作為判別其氣候意義的診斷性標志,應當結合動植物化石及石英砂顯微結構等線索來確定。
  2. A ridge or hill of ice in an ice field

    冰丘冰原上的冰脊或冰山
  3. ( 2 ) sxsp anomaly is closely related to the abnormity of 500hpa geopotential height field over the east of ural and yakutsk area, western ridge point and area of subtropical high, the cold air abnormity from north of china and the position of upper level westerly jet over east asia

    ( 2 )三峽庫區夏季降水異常與大氣環流異常密切相關:與500hpa烏拉爾山以東高度場異常、雅庫茨克以東高度場異常、副熱帶高壓面積及西伸脊點、北方冷空氣異常、 200hpa東亞高空西風急流位置異常偏南(偏北)密切相關。
  4. 4. the " hot " dispersion equation of the coaxial ridge - disk - loaded cylindrical waveguide twt with an annular electron beam can be firstly obtained according to self - consistent field theory

    四、引入薄環形電子注,首次建立了脊加載同軸膜片圓波導的注波互作用線性理論,得到小信號條件下的色散方程。
  5. The hyphal density paralleling with ridge was much more higher than it in the non - inoculation treatment. a field experiment was carried out to test the effectiveness of the selected isolates with sweet potato as host plant

    接種處理中平行於壟的方向的菌絲密度和活性菌絲密度顯著增加,根內菌絲的alp活性和根外菌絲的sdh活性提高。
  6. For the first time, the coaxial ridge - disk - loaded cylindrical waveguide as sws is presented. its dispersion equation and the expression of coupling impedance are given by application of the field matching method. a series of numerical results show that the influence of structure dimensions on the dispersion characteristics and interaction impendance

    三、創造性地提出脊加載同軸膜片圓波導慢波結構,並對其採用嚴格的場匹配法,詳細推導了色散方程和耦合阻抗表達式,並得到一系列有關系統結構參量與色散和耦合阻抗之關系的數值模擬結果。
  7. Oct. 20, 2007 on the ridge of field, the guider and a student were staring at circumstances around through binoculars. the yandong lake bird - watching contest of wuhan universities

    2007年10月20日,在一塊田埂高處,帶隊的向導和一名學生用望遠鏡觀望周邊情況。武漢高校嚴東湖觀鳥比賽。
  8. Based on multi - factor orthogonal designed field experiment, the ridge regression models of seed yield components and seed yield of the 6 grass species are founded through ridge regression analysis with big samples

    摘要採用多區組多因素正交試驗設計,通過大樣本嶺回歸分析求出6種禾本科牧草種子產量因子與產量的嶺回歸模型。
  9. Taking dc motor test as an example, a creative idea of applications of some advanced signal processing tools, such as time - frequency analysis, wavelet, and instantaneous frequency ( if ) evaluation, in motor testing field is presented. the paper systematically summarizes basic theories of time - frequency analysis and wavelet transform based on which an in - depth research of effective if evaluation based on wavelet ridge and wavelet curve is carried out. in the end a fast t - n characteristic testing system with neither torque nor speed sensor is successfully developed

    本論文主要關注小波分析在電機性能自動測試系統中的應用,針對傳統電機測試系統以及信號處理技術在電機測試領域中應用的不足,以直流電機為例,提出了將時頻分析、小波包變換以及基於小波脊的瞬時頻率提取方法應用到電機測試領域的新思路;較系統地總結了時頻分析和小波變換的基本理論,深入探討了基於小波脊線和小波曲線的瞬時頻率提取,並成功開發了基於正交小波包分析和基於小波脊線的瞬時頻率提取的無轉矩轉速傳感器的直流電機快速測試系統。
  10. Since the first embryonic stem cell derivation from mouse blastocyst by british scientists in 1981, groups of scientists were devoted into the research field of stem cells. in 1998, two scientific groups of america obtained human embryonic stem cells and human embryonic germ cells respectively from human blastocysts and gonadal ridge of early embryos

    1998年,美國的兩個科學家小組分別從人體外受精發育而成的囊胚內細胞團和5 9周齡流產的胚胎原始生殖嵴中,成功獲得了人類胚胎幹細胞系和人類生殖嵴幹細胞系。
  11. The text computes the eigenvalue of double ridged waveguide, single ridged waveguide and unsymmetry ridged waveguide, transmission of three kinds of ridged waveguides with ridge on the narrow wall are solved for and the useful curves on cutoff wavelength, bandwidth and field pattern are presented

    編程計算了雙脊、單脊和不對稱脊波導的特徵值,求解了三種脊位於窄邊的脊波導的傳輸特性,並給出了截止波長和單模帶寬曲線以及場結構變化。
  12. And we simulated the optical field ' s propagation of the ridge wave - guide, y - type embranchment wave - guide, more embranchment wave - guide and x - type embranchment wave - guide

    並利用計算機模擬出了脊形波導、 y形分支波導、多分支波導及x形分支波導的光場傳播圖。
  13. In research much importance was attached to the study of dry land and the physical, chemical and biologic properties of water land, but the relationship between soil microbes and soil fertility in the paddy field of long - term no - tillage and ridge culture was relatively ignored, so this experiment was conducted for further study

    縱觀國內外的研究概況,對旱地的研究比較多,對水田的物理、化學和生物性狀也有研究,但是,對稻田長期壟作免耕條件下的土壤微生物和肥力的關系的研究尚鮮見報道,因而著手于這方面的研究。
  14. As mentioned in above, the boundary condition of ridge waveguide is quite complex, so to solve the field equations directly is very tedious and complicate

    鑒于脊波導的廣泛使用,本課題的研究很有實際意義。脊波導的邊界條件比較復雜,直接求解場方程非常冗長、繁瑣。
  15. This paper describes the application of finite element method for obtaining the cutoff wavelength, field pattern and bandwidth in ridged waveguide of ridge on the short side, gives the specific equation of related parameter to the subject

    摘要提出用有限元方法分析位於窄邊的脊波導主模的截止波長和場結構圖以及單模帶寬特性,推導出用有限元法計算相關參數的計算公式。
  16. This paper uses the monthly mean ncep / ncar reanalysis data of 100hpa height field and so on, choose the longitude of east ridge point of 16760gpm line on 100hpa height field during summer ( june - july - august ) as the eastward index of south asia high ( sah ) to build a 50 - yr ( l951 - 2000 ) series of eastward index of sah

    本文利用ncep ncar再分析月平均100hpa高度場等資料,以夏季( jja ) 100hpa高度場上16760位勢米線東脊點經度作為夏季南亞高壓東伸指數建立了50年( 1951 ? 2000年)夏季南亞高壓東伸指數年際系列。
  17. First, the dynamics of soil properties in different period during a year from the long - term no - tillage and ridge culture experiment field are researched in order to get the general dynamic properties of organic matter, chemical substances, microbe, ph and eh in soil

    首先通過對自然免耕定位試驗的有機殘體的分解與轉化的動態特徵研究,得出有機殘體分解轉化過程中的有機質、養分、微生物及出和eh的動態特徵,總結出有機殘體分解與微生物關系的一般規律。
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