of an arc 中文意思是什麼

of an arc 解釋
弧元素
  • of : OF ＝Old French 古法語。
  • an : an1indef. art. 見 a 條。1. 〈方、口〉 ＝ and. 2. 〈古、方〉 ＝ （and） if.
  • arc : A. R. C. ＝ American Red Cross 美國紅十字會。n. 1. 弧；弓形，拱（洞）。2. 電弧，弧光。
  1. A radian is the angle subtended by an arc of a circle whose length is just equal to the radius.

    一弧度就是長度剛好等於半徑的一段圓弧所對的圓心角。
  2. One of the stars shall be bigger than the others, with its circumcircle s diameter being 310ths of the height of the flag, and shall be placed in the left ; the four other stars shall be smaller, with their circumcircle s diameter being 110th of the height of the flag, encircling the big star on its right in the shape of an arc

    旗面為紅色，長方形，其長與高為三與二之比，旗面左上方綴黃色五角星五顆。一星較大，其外接圓直徑為旗高十分之三，居左；四星較小，其外接圓直徑為旗高十分之一，環拱于大星之右。
  3. Properties of the cathode fall region of an electric arc

    電弧陰極區性質的研究
  4. These constellations ( naksatra ) each measure an arc of 13 20 ' of the ecliptic circle

    這些星座（拿卡薩塔） ，每一個各佔有黃道帶的1320 』 。
  5. Test results indicated : with the hoist of altitude, the increase of ice amount and the rise of pollutant, the average flashover voltage reduced. the character exponent generally depends on the insulator profile, ice amount, ice state and pollution severity etc. by means of a high - speed camera, a data acquisition system and high voltage test facilities, a series of the flashover processes on ice surfaces were record. the experimental results form this study and the subsequent theoretical analyses suggested : the thermal ionization of the air in front of an arc root resulted in arc movement ; the electrostatic force had an auxiliary effect of impelling arc propagation ; the electrical

    通過對攝像機、數據採集系統及高壓試驗裝置記錄覆冰絕緣子表面閃絡電弧的發展過程的試驗結果進行理論分析得出：弧根周圍空氣的熱電離導致了電弧的發展，靜電場力對電弧的發展起到了加速作用，電擊穿僅發生在閃絡最終的跳躍階段；通過測量閃絡過程中的放電電壓、泄漏電流、閃絡時間、覆冰水電導率、電弧長度及電弧半徑等參數，得到了不同階段電弧（電弧起弧階段、電弧發展階段及完全閃絡）的發展速度、臨界電弧長度均隨覆冰水電導率的增加而減小。
  6. A fly was released, and with an arc of his sword he cut the fly in half

    有人放出一隻蒼蠅，他手起劍落把蒼蠅攔腰斬斷。
  7. Abstract : with the aids of computer ' s hardware, executive mechanism of weld arc length automatic controller of all - position pipe welder and additional software, an automatic system for arc striking has been developed, in which touch - starting method using tiny current is introduced. utilizing this method, the ablation ratio of tungsten electrode and tungsten inclusion ratio of welded seam is far smaller than normal touch - starting method. and the successful ratio of arc striking is high

    文摘:用全位置自動焊管機弧長自動控制系統的計算機硬體和執行機構，僅增加部分程序，設計了採用小電流接觸引弧法的自動引弧系統，鎢極燒損和焊縫夾鎢遠小於普通的接觸引弧方式，引弧成功率很高。
  8. He put the tip of the blade into gus's shirt and then made an arc with his arm, as though cutting a circle.

    他把尖刀伸進格斯的襯衫，隨手用胳膊劃了個弧圈，彷彿要圓圓地剮下一塊肉來。
  9. 1. shift your weight onto your right foot and turn your body to the right, turning the toes of your left foot in. make an arc with the left hand, past your abdomen and finishing in front of your right shoulder, palm tilted in

    右野馬分鬃：重心后移，左腳尖翹起，身體微向左轉，左腳尖外撇，左手手心向下翻轉，重心前移，上右腳成右丁步，右手向前下劃弧與左手掌心相對成丁步抱球，右野馬分鬃，右腳向前上步，重心前移，右掌向前分出，左手落於左髖關節外側。
  10. Shift your weight onto your tight foot and turn your body to the right, while turning the toes of your left foot in. make an arc with your left hand. 9. turn to the left, shifting your weight onto your left foot

    左摟膝拗步：重心后移，向右轉腰，右腳外撇，上步成丁步，擺掌，左手摟膝右手向前推出，同時上左腳成左弓步，右推掌。
  11. An numerical algorithm of nearly arc - length parameterization

    近似弧長參數化的一種數值演算法
  12. According to the structural characteristic of distribution network, a method for fast - fault - location is proposed. this method required an arc - structure matrix and is based on the practical information achieved by ftu

    由於配電網路的故障后重構方案的得到具有多約束、非線性和整數尋優的特點，用常規的數理方法求解往往不能令人滿意。
  13. Make a right hooked hand. your left palm turns up and makes an arc across your body until it is in front of your right shoulder, tilted in

    單鞭：右手向右擺起，右手變勾，左手挪圓，掌心向內，左腳向前上步，沉腕立掌。
  14. Your right hand makes an arc past your abdomen and then up to your left shoulder, with the palm tilted in. 11. bring your right foot to the side of your left foot, so that your feet are in parallel stance, about 4 - 8 in

    手揮琵琶：重心前移，右腳向前跟半步，重心后移至右腳，身體微向右轉，左腳輕輕提起，左手向前擺起，身體微向左轉，左腳腳跟地，兩手立掌，右手落於左肘關節下，目視左手前方。
  15. The formulas and calculation method for the practical and economical cross - section of the trapezoidal channel with an arc slope angle are briefly presented

    摘要簡單介紹了弧形坡腳梯形渠道實用經濟斷面的計算式和計算方法。
  16. 3. your right hand, following the body turn, moves in an arc until it comes in front of your left shoulder with the fingers pointing up. look at your left hand to 11 oclock

    左仆步下勢：左腳收回，成丁步，右手變勾，左手掌心向內，兩臂成弧形重心向下蹲，左腳向左成仆步，重心下移。
  17. Lower your right hand, then raise it up to the side of your right ear and, with the body turning to 3 oclock, thrust it down in front of your body, with the palm facing left and the fingers pointing down. make an arc with your left hand forward and down to the side of your left hip, palm facing down and fingers pointing forward, look down

    海底針：重心前移，右腳向前跟半步，重心落於右腳上，身體向右轉，左手劃一個平圓，右手在身體右側劃一個圓，沿耳際向前下插掌，同時左腳向前上半步，成虛步，眼看前下方。
  18. Based on the kinematics of car - like vehicle, an arc region decomposition based motion plan strategy is adopted to solve the problems like safety and real - time requirements

    摘要該文根據輪式車的運動學特點，針對機器人導航中安全性問題以及演算法實時性要求，提出了基於圓弧的區域分解方法。
  19. Affine length of an arc

    仿射弧長
  20. The feature of flexible grinding discs is especially suitable for the operation of an arc and hole curve

    可彎曲砂輪之特性，特別適用於弧曲及孔曲面之作業。
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