箭形的 的英文怎麼說

中文拼音 [jiànxíngde]
箭形的 英文
arrow headed
  • : 名詞(古代兵器) arrow
  • : 4次方是 The fourth power of 2 is direction
  1. The rocket climbs upward and onward, with an artificial satellite cradled in its nose cone.

    隨帶裝在其前端錐體內一顆人造衛星,火一直向上,向前爬升。
  2. A lot of engineering applications are carried out using our proposed method in this paper, such as thermal deformation measurement of a car lamp, analysis of the super low frequency harmonic vibration of a piezoelectric ceramic, dynamic mechanical behavior analysis of the ballistite material and so on

    在前面所提出理論基礎之上,本文對該方法在實際工程中應用做出了大量工作。本文利用時間序列法實現了汽車前燈配光鏡熱變檢測、壓電陶瓷片超低頻振動分析以及火固體燃料動態力學特性研究。
  3. Round the tip of africa and into the indian ocean, and he passed by devilfish and sailfish and sawfish and swordfish and bluefish and blackfish and mudfish and some fish, and he was amazed by the different shapes and sizes and colors

    色色魚從他身邊游過,有章魚、旗魚、鋸鰩、魚、竹莢魚、黑鯨、泥魚等等,他驚異于各種魚類不同狀、體和顏色。
  4. Bodkin arrow : arrows with a tempered steel tip. delivers massive damage, ignoring armors

    :帶有淬火強化鋼制頭。可以造成巨大傷害,並無視盔甲。
  5. The introduction has several contents as follows : outlines the geological and chronological range ; reviews brief research history of bronze arrows ; makes the intention clear and what means would be taken, defines standard that would be used in typological classification ; makes textual research on subjects and collects all previous appellations for arrows, then raises appellation standard this paper would take. chapter one : researches on bonze arrows in xia - shang dynasty. in this part, on the basis of unearthed bronze arrows in xia - shang dynasty, the author firstly makes typological analysis on bronze arrows patterns, divides them into two sorts, each had analysis on types separately

    本文以各不同時期考古出土青銅鏃為研究對象,對青銅鏃製做類型學分析,並進行了分期研究,通過對青銅鏃分佈區域研究,解析不同區域青銅鏃文化因素構成,最後將研究結果匯總,建立起青銅鏃編年序列,比較深入地探討了青銅鏃在制上演進與其在軍事上意義,考證了青銅鏃不同制所具備不同功能,並對先秦時期在軍隊使用弓兵種與非實戰用禮射與弋射用情況進行分析探討。
  6. Vortex injection provides a form of swirl or cyclone combustion for a rocket engine similar to systems often employed in industrial furnaces.

    渦流噴射在火發動機中產生一種渦流或旋渦燃燒,與工業爐中常採用系統相似。
  7. The four arrows of the diamond point towards the four edges of the ide

    四個頭分別指向ide四個邊。
  8. The four arrows of the diamond point toward the edges of the enclosing frame

    四個頭指向封閉框架邊緣。
  9. Flick knives, gravity catch knives, stilettos, daggers, kukris, other knives both real or ceremonial with blades of any length or description, including sheath knives, kirpans and skeandhus, open razors, scalpels, ice picks, swords, sword sticks, umbrellas containing sword blades or arrows. items containing incapacitating substances

    ,例如彈簧刀折刀匕首大彎刀,亦包括竹中所有長度或狀而有刀鋒之真刀或紀念用刀具,如有鞘刀宗教匕首小劍剃刀解剖刀冰鑿劍類有刀鋒或雨傘。
  10. Most informatory signs are rectangular but signs giving route directions at a junction usually have one end pointed

    大部分指示標志都是長方,但在路口指示路方向標志,通常一邊為
  11. Collimator is a kind of high precision apparatus. the principle is testing tiny by optics imaging. it can be used to revise the kickstand of aircraft and the launch kickstand of missile, to check the gesture of rocket launcher

    測角儀是一種應用光學成像測微原理工作高精度測試儀器,它可以被用於校正飛行器機架和導彈發射架,檢測火發射器姿態。
  12. Disigning coolant channel on the firebox of liquid rocket engine to loxodrome ( equal - angle helix ) groove can improve firebox coolant capability greatly. because the width dimension of loxodrome groove is narrow and the depth is deep, some machining methods are incapable, such as end - milling or electrochemistry. according to the peculiarities, a cnc disk - cutter - milling method which is composed of five motion axes with four simultaneously interpolated ones is researched. because most firebox generatrix is composed of complex curves, it is very difficult to get cnc cutting program with manual means. in order to deal with the problem, the loxodrome mathematics model is studied, and an auto - programming software system is developed. the software system can generate cnc cutting program of loxodrome on many kinds of turned surface. the constriction - distension segment of firebox is the most representative workpiece. the sharp changing of its generatrix slope makes loxodrome milling difficult. with the theory analyzing and practice cutting experiment, some applied techniques, which include milling mode and direction, choosing cutter diameter and cutting start point setting, are developed. adopting the technology above, tens regular workpiece have been manufacturing. the two - year manufacture practice has confirmed the validity and feasibility of developed loxodrome coolant channel milling method. the developed technology is also worth to be referenced to other similar workpiece

    將液體火發動機燃燒室冷卻通道設計為斜航線(等傾角螺旋線)槽,可以大幅度改善燃燒室冷卻性能.斜航線冷卻槽槽寬尺寸較小而槽深尺寸較大,所以無法使用棒銑刀銑削、電化學等加工方式.針對這些特點,提出了五軸控制、四軸聯動數控片銑刀銑削加工方法.由於燃燒室外表面母線輪廓復雜,手工編制數控加工程序難度大.為了解決數控加工程序編制問題,研究了斜航線數學模型,開發了自動編程軟體系統.使用該系統,可以生成多種母線輪廓回轉體外表面上斜航線數控加工程序.燃燒室收斂-擴張段母線斜率變化大,加工難度大,是斜航線冷卻通道加工最典型工件.經過理論分析和實際切削實驗,研究了針對該類型工件片銑刀直徑選擇、銑削方式和方向、刀具調整和起刀點設置等多項實際加工方案.採用上述一系列技術,已經成功地加工了數十個合格工件.經過兩年多實際生產過程應用,驗證了所開發斜航線冷卻通道加工方法正確性和可行性.這些加工技術研製成功,對其他相似類型零件加工亦具有參考意義
  13. Design optimization for solid rocket motor based on graph morphing

    基於圖固體火發動機優化設計
  14. In this thesis, based on pershing ii surface to surface missile, a new kind of ballistic missile was designed with an additional rocket engine, which can be ignited twice. firstly, aerodynamic computational models of missile body and warhead which reentry with supersonic are built according to the task requirements ; secondly, the propulsion system model of missile is built whose first two stages are solid rocket engines and the third stage is liquid - solid combined rocket engine. the nozzle and the shape of the engine are designed to meet the needs of the populsion project ; thirdly, the trajectory model of the mass point is built and a wavy trajectory is designed & optimized ; finally, the ability of a missile ' s breaking through defence is analyzed

    以美國潘興導彈為原型,增加可兩次點火末級發動機,改裝成具有跳躍能力地地彈道導彈;首先,根據任務需求,建立了導彈氣動模型,並建立了彈頭再入時高超聲速氣動模型;其次,建立了導彈推進系統模型,前兩級採用了固體火發動機,第三級採用了固?液組合火發動機,並在總體方案要求下,對發動機噴管和外進行了設計;第三部分,建立了導彈質點彈道模型,設計了一條跳躍式彈道,並對跳躍式彈道進行了優化設計;最後,對導彈進行了突防能力分析,從分析結果可以看出,跳躍式彈道突防能力比常規拋物線彈道要強。
  15. According to the " solid - particle " theoretical model, a theory model of the dynamic burning - velocity of a rocket - portfire in its igniting delay - time cannulation is established, a theory model of the dynamic delay - time is educed. the factors are analyzed, setting position and shape of a igniting delay - time cannulation that affect its igniting delay - time, the theoretical basis is offered to develop the high - level precision rocket - portfire in the air

    本文根據「固體粒子」效應理論,建立了點火延期管動態燃速數學模型,導出了點火延期管動態延時控制理論計算模型,分析了火空中點火延期管安裝位置及其態對其延期時間影響,為高精度火空中點火具工程研製提供了理論依據。
  16. Thus, a blazing spear, a sword of flame, a bow, or a sheaf of arrows, seen in the midnight sky, prefigured indian warfare

    於是,在午夜天空中,如果看到一支閃光長矛一支冒著烈焰劍一張弓一簇這類象,便會認為是印第安人要打仗預兆。
  17. She found herself pressing the palms of her hands together, in an arrowhead, as she begged for grace.

    她不知不覺地雙手合一,構成狀,懇求寬宥。
  18. This figure has two skinny legs. and fold it over in the direction of the arrow flip the entire figure over

    這個圖顯示有兩個小小腿。沿著頭方向對折,完成整個圖狀。
  19. They ' re a perfect match. she ' s as straight as an arrow and he ' s bow - legged

    他們是天生一對,她象一樣耿直,他腿是弓(羅圈腿) 。
  20. Last, the result is compared with the result of analytic method. this paper provides a new method to analyze the grain structural integrality. the result provides the gist of grain figure in optimize design

    通過這些計算和分析,為底排?火彈助推火推進劑藥柱結構完整性分析有限元法提供參考,為藥柱藥優化設計提供依據。
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