扇形扇形體 的英文怎麼說

中文拼音 [shānxíngshānxíng]
扇形扇形體 英文
sector
  • : 扇動詞1 (搖動扇子等使空氣流動) fan 2 (用手掌打) strike with the palm of the hand; slap 3 (鳥...
  • : 體構詞成分。
  • 扇形 : 1 (扇子的形狀)fan shaped:扇形窗戶fan shaped window; 他把牌在手上展成扇形。 he fanned out the ca...
  1. The sun shines 300 days a year, and the usually benign climate and nearby rocky mountain playground have made tourism one of the mile high citys economic mainstays. warm chinook winds warm the winters between snowstorms

    今天,丹佛的經濟成結構,為此丹佛被認為是美國的縮影:有線電視,電信,太空,金融服務和計算機軟是一些區域的領先工業。
  2. Symplectic solutions of annular sector plate clamped along two circular edges with circumfluent coordinate treated as

    板彎曲問題中環向模擬為時間的辛
  3. Exploration of the direction of lay of the outmost layer of the segment conductors in 0. 6 1 kv si - xlpe power cables

    硅烷交聯聚乙烯絕緣電力電纜最外層絞向的探討
  4. These basic system are referred to as radiating, harp, fan, and star systems.

    這些基本系歸類為:輻射,豎琴和星系。
  5. The main conclusions are as follows ; firstly, under the influence of three phases of episodic activities, three two - order sequences is composed of three depositional cycles and three regional unconformities ; secondly, under the control of structure activities such as fault - block activities and the influence of three - order climate cycles and source recharge, lower cretaceous can be divided into six three - order sequence ; thirdly, because fault activities is weak and fault slope is gently, fan deltas exist in steep slopes in early and later stages and subaqueous fans exist and turbidite fans exist in troughs in middle stage

    主要的結論為:其一,受三期幕式活動影響,斷陷成了3個大的沉積旋迴和3個區域不整合面,構成了下白堊統3個二級層序;其二,受斷陷內翹傾和塊斷等構造活動的控制,以及三級氣候旋迴和物源供給因素的影響,下白堊統劃分出6個三級層序;其三,在單斷斷陷湖盆中,湖泊階段的早、晚期由於凹陷邊界斷層活動較弱,斷面較緩,陡坡可以發育三角洲,在湖泊階段的中期主要為水下砂礫巖,並在窪槽區發育濁積
  6. A machine part or other mechanical device that is shaped like a quarter circle

    狀似四分之一圓圈的機器零件或其他機械設備
  7. The submarine fan with completely inner, middle and outer fan can be divided into progressive and regressive sequence, which were composed of sandstone bodies formed by turbidity flow

    海底具有完整的內、中與外組合,可劃分出進積型和退積型兩種序列類型,它們多半是由濁流成的各種砂組成的。
  8. In the processing of single crystal materials, it was found that the sectorial distribution of light and shade appears on the surface, which is the main factor of affecting processing surface quality. therefore starting from the crystal structure, this paper first researched on kdp crystal mechanics characteristics in different crystal plane and orientation through theoretical analysis and nano - indentation experiment, separately calculated the young ’ s modules and shear modules of kdp in different crystal plane, and systematically analyzed the change rule of young ’ s modules and rigidity along with the crystal orientation

    在單晶脆性材料的加工中,人們發現加工表面產生明暗相間的分佈,這種明暗相間分佈是影響加工表面質量的主要因素,因此本文從晶的結構出發,首先對kdp晶不同晶面、不同晶向的力學性能進行了理論分析和納米壓痕實驗研究,分別計算了kdp晶不同晶面上彈性模量和剪切模量,並系統地分析了彈性模量和硬度隨晶向的變化規律。
  9. The analysis result indicates that, kdp crystal mechanics characteristics, such as young ’ s modules, shear modules, rigidity and so on, have intense anisotropy, which is the reason of the scallop distribution of light and shade appearing on

    結果表明, kdp晶材料的力學特性如彈性模量、剪切模量、硬度等具有強烈的各向異性特徵,這種各向異性特徵是單晶脆性材料超精密切削后產生明暗相間分佈的根源,是影響加工表面質量的重要因素。
  10. Sector - shaped solid aluminium conductor

    實心鋁導
  11. The most favorable reservoirs of study formatioms in study area are delta river mouth bar sand body and sublacustrine fan sand body. the sublacustrine fan sand body region developed in each sand group and the river mouth bar sand body region developed in gao 5 sand - group are the most favorable regions of developing lithologic traps

    研究區研究層段的最有利儲層是三角洲河口壩砂和湖底,各砂組發育的湖底區和高5砂組發育的河口壩砂發育區是成巖性圈閉最有利的場所。
  12. The former one is a product of the pressure pulsation resulting from the fan blade periodically cutting the air, with the blade passing frequency as its base frequency and accompanied by higher harmonics. the wide - band turbulent noise is formed when the rotating fan forces the surrounding air to produce turbulent throw - outs and results in gas thickening and thinning processes

    旋轉噪聲是由於風的葉片周期性地切割空氣,引起空氣的壓力脈動產生的,以葉片通過頻率為基頻,並伴有高次諧波。湍流噪聲是由於風運動導致的周圍空氣發生湍流脫,使空氣發生擾動,成氣的壓縮與稀疏過程而成的,是一個寬頻帶噪聲。
  13. In cucumber, there were obviously si depoist on the older leaves from + si plant, si ca n ' t be observed on the younger leaves from + si plant. there were no silicon distribtion on the - si leaves. by analzing edx map of silicon, it was showed that, in the leaf blades of rices, si exsisted in the form, of fan - shaped and dumbbell - shaped. there were many trichomes which contained si on the surfaces of leave and stems on cucumber

    在兩種植物中,水稻表現出老葉硅分佈比嫩葉密集,從葉尖-葉中部-葉基部表現出硅分佈密集程度逐漸降低的趨勢;加硅處理的黃瓜老葉硅的分佈較明顯,但嫩葉和未加硅處理的葉片未見明顯的硅的染色。通過掃描電鏡及硅的x能譜分析顯示,水稻硅呈紡錘硅質
  14. Firstly, this paper introduces the asynchronous motor model, and compares it with the dc motor ’ s. then the paper studies the principle of vector control, and proposes an improved current model of rotor flux observer. this paper also studies the three - level inverter ’ s topology, working principle, the neutral - potential unbalance mechanism and its controlling strategy. the paper especially studies the svpwm in details. the interface between the vector control and the three - level inverter is studied in details, including the generation of reference voltage vector, its judging of the sector and triangular regions, and the working mechanism after it sent into three - level inverter. when synthesizing the reference voltage vector, select the vector which only includes p and o states as the starting vector, thus eliminate the vector shift problem when sector changes. this paper fully takes advantages of the powerful functions of matlab / simulink to set up the simulation model. this construction is very explicit. the simulation results verify the inverter voltage output is correct, the rotor flux is steady, the asynchronous motor ’ s dynamic and steady state performances and speed modulation are excellent

    本文首先介紹了異步電機的數學模型,在此基礎上將異步電機的數學模型與直流電機的數學模型進行了比較;然後介紹了矢量控制的基本原理,採用了一種改進的轉子磁鏈電流型觀測模型;對三電平逆變器的電路拓撲、工作原理、中點電位不平衡的機理及控制方法進行了介紹,詳細分析了空間矢量脈寬調制策略。本文對異步電機的矢量控制與三電平逆變器之間的介面進行了詳細的研究,包括:參考電壓矢量的成、所落區與具小三角區域的判斷、送入逆變器之後的工作機理。在參考電壓矢量的合成時,選擇只包含p 、 o狀態的空間電壓矢量作為起始矢量,解決了區切換時的矢量突變問題。
  15. The ore body totally shows the characteristics of fan - shaped, which mode of occurrence is 18 - 25 32 - 70

    多呈脈狀、囊狀、似板狀、不規則狀,總分佈,產狀18 ? 45 32 ? 70 。
  16. A global equation is finally obtained as a second - order characteristic matrix equation

    該列式只需對區域在角度方向上離散,最後得到一個二次特徵根矩陣的總方程。
  17. The valve is made up of body disc, axle, seal, actuator etc

    閘門由本閘板、軸、密封副、執行機構等部件構成。
  18. Segment copper conductor

    銅導
  19. Fractal features of fan - shaped depositional bodies

    沉積生長的分幾何特徵分析
  20. Dynamic mechanism and fractal simulation of growth process of fan - shaped sedimentary bodies

    沉積生長過程的動力學機制及分模擬
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