通弧 的英文怎麼說

中文拼音 [tōng]
通弧 英文
arc through
  • : 通量詞(用於動作)
  • : 名詞1. [數學] (圓周的任意一段) arc2. (古代指弓) bow
  1. A common laboratory source of light is provided by a mercury arc.

    常的實驗室光源選用汞燈。
  2. Cabochon cut stones of this variety show the chatoyancy small ray of light on the surface that resembles the feline eye of a tiger

    ,其金黃色是由棕色的鐵元素所產生的。虎眼石常是被切磨成光滑的半圓面型cabochon
  3. After canvassing the basic theories and methods of reliability and optimization design of the transmission system, analyze the designs of the v - belt transmission, arc cone gear and disk spring separately. it is propitious to raise efficiency, improve capability, increase reliability, and decrease cost and so on

    在研究了機械可靠性優化設計基本理論和方法之後,分別分析了v型帶傳動、圓錐齒輪、液壓卡盤碟型彈簧的可靠性優化設計,對其進行針對性的研究,並過試驗對設計結果進行檢驗。
  4. The relation of radius of curvature and error as well as formulas of increasing parameters on condition of constant error are diverted. the equation of the line on the center of approximate circular arc is obtained , and it can avoids the trouble that numerical solution owns possibility of no convergence and simplifies node calculation of non - circular curve

    導出了曲率半徑與逼近誤差之間的關系和等誤差條件下的參數遞推公式,建立了過逼近圓圓心的直線方程和圓心坐標計算公式.按這種方法用圓逼近平面參數曲線,不需要求解非線性方程組,避免了計算可能不收斂的麻煩,簡化了非圓曲線的節點計算過程
  5. First the sketch / datum plane is fitted by least - square distance, then the extruded direction or axis with the flank points of the cloud is extracted in quadratic paogramming arithmetic, and certain points projected to gain 2d sketched datas. feature points are defined to segment the sketch datas, and the sketch profile is generated by fitting separately the line and circle segment

    使用最小二乘方法擬合草圖基準平面,採用二次規劃方法提取拉伸方向和旋轉軸線,然後將數據點投影以獲取草圖數據,過柵格劃分提取草圖邊界輪廓數據,再對這些邊界數據進行基於特徵點的分割,以直線和圓段擬合出草圖輪廓。
  6. Welding consumables - determination of moisture resistance of manual metal arc welding electrodes by measurement of diffusible hydrogen

    焊接耗材.過測量擴散氫方法測定手工電焊焊條的抗濕性
  7. Welding consumables - determination of moisture resistance of manual metal arc welding electrodes by measurement of diffusible hydrogen iso 14372 : 2000 ; german version en iso 14372 : 2002

    焊料.過測量可擴散氫測定手工金屬電焊電極的抗濕
  8. From up to down, food firstly arrives at material output bar, then lays off from taper concave slope, finally, food gets into round basin on baseplate after mutual effect through arcual fillister

    食品從上而下先到達彈性導料條,再到錐形凹坡下料,最後形凹槽的相互作用,食品到達底盤上圓形食盆。
  9. And apatite. by these analyses and comparison with general granite both in china and the world and with the granite in other au or cu belt in china, the characteristics of the granite in this area are concluded as follows. it belongs to magnetite - i or syntectic granite and has crust - mantle mixed characteristics ; it was formed mainly by crystallization differentiation of melting magma and multiphase varied intrusion ; the degree of differentiation evolvement is not high ; the granite and its enclaves p. re congenetic ; the range of temperature is about 500 - 700, the range of pressure is about 2. 50 gpa - 4. 35 gpa, and the range of oxygen fugacity ( lg fo2 ) is - 15. 53 - - 14. 00 ; most granite bodies formed before the collision of plates, and few formed after the collision of plates

    過對測試數據的分析與綜合研究,並同中國和世界一般花崗巖類以及中國主要金、銅成礦巖體的花崗巖類進行對比,得出本區花崗巖類巖石具有以下特徵:屬磁鐵礦-型或同熔型花崗巖,其巖漿物質具殼幔混源特徵:主要由熔融態巖漿經結晶分異作用,過多期變速上侵而形成;其分異演化程度較低;寄主巖基和包體具有同源性;巖石的形成溫度范圍約為500 - 700 ,壓力大約為2 . 50gpa - 4 . 35gpa ,氧逸度值1gfo _ 2為- 15 . 53 ? 14 . 00 ;該巖帶主要形成於板塊碰撞前消減的活動板塊邊緣期,為燕山至喜馬拉雅早期的大陸邊緣火山環境的產物。
  10. The paper also does some deep research on the mesh characteristic of the mechanism, analyses the cause o f the cam profile error and index error during working, using object - oriented method, vc + + and pro / toolkit, performs second development to pro / engineer, completes entity proplasm of the cam mechanism using only few parameters, the press angle calculate module, error analysis module and curvature calculate module are built on the basis of it

    然後過對面分度凸輪加工中產生廓面誤差及工作時產生分度誤差原因的分析,建立了計算加工和分度誤差的數學模型。應用vc + +和pro toolkit對pro engineer進行二次開發,建立了面分度凸輪機構的參數化設計和三維造型及壓力角、誘導主曲率等運動特性和誤差分析軟體系統。
  11. A beam of light ( typically ultraviolet light from a mercury arc lamp ) shines through the chromium mask, then passes through a lens that focuses the image onto a photosensitive coating of organic polymer ( called the photoresist ) on the surface of a silicon wafer

    一束光(常是汞燈發出的紫外光)先穿透鉻光罩,然後過透鏡把影像聚焦在晶圓表面的有機高分子感光塗料(稱為光阻劑) 。
  12. This equipment is the key of producing arc glass and laminated glass of shower bath room. it lets the flat glass changing its arc shape by drying, bending and annealing

    本設備是生產汽車形、沐浴房夾層玻璃製品的關鍵設備。過對平板玻璃的烘彎、退火,使之彎曲成玻璃製品所需要的各種度和形狀。
  13. New designed auto tracing arc eliminating device based on this technique contents more technology, which has sample circuit, wide tuning scope, quick response and low noise. this paper firstly introduces neutral grounding histroy. by analyzing the syntony grounding theory, the transient and stable process of one - phase grounding fault, the threaten to secure run of power system and the importance of exact compensation for capacitive current are cognized

    論文中首先介紹了中性點接地方式的發展過程,過對諧振接地原理和單相接地故障的暫態、穩態分析,認識到接地故障對系統安全運行的危害,過消線圈對接地電容電流的迅速準確補償是減小故障危害的最主要手段。
  14. Every tournament can be transformed into a diconnected tournament by the reorientation of just one arc.

    每個競賽圖只過一條的改向而轉變為雙向連競賽圖。
  15. 3. the static aerodynamic characteristics of the projectile are computed using the software of cfd, the results of the numerical simulation are agreement with the engineering calculation, this verifies that the results of the static aerodynamic characteristics of waf from engineering calculation are satisfactory

    3 .應用cfd軟體對彈靜態氣動特性進行數值計算,數值計算結果與工程估算結果吻合較好,說明卷翼的靜態氣動特性可以過平板翼進行估算。
  16. Analyze and compare pid and vague, single neuron etc. control strategy, and combine with single neuron self adaptive gain, self adaptive right value and preventive integral saturation etc. control strategy. have improved single neuron control algorithm, may restrain efficiently to disturb, reduce broken arc and short circuit etc. phenomenon, make systematic control effect and robustness get to strengthen, also have certain application reference value for the design of the dc arc furnace

    過對pid 、模糊、單神經元等控制策略的分析比較,將單神經元增益與權值的自適應調節、抗積分飽和等控制策略相結合,改進了單神經元控制器演算法,可以有效抑制擾動,減少斷、短路等現象的發生,使系統的控制效果和魯棒性都得到增強,對電爐控制系統的設計也具有一定的應用參考價值。
  17. For offstandard double circular - arc gears, calculate its shape coefficient using its basis parameters of shape. so we can design universal double circular - arc gears. this paper designed the subroutine program of chart and parameter table

    對非標準的雙圓齒輪,過基本的齒形參數,用折截面法計算得出它的齒形系數,從而可以實現用的雙圓齒輪的設計。
  18. This paper studys basement fold, capping fold, arc structure and magma activity in xingguo area, preseats the concept. of spinning - decollement structure in the area, and makes inquisiton of its mechaninsm of formation

    摘要過興國地區基底褶皺、蓋層褶皺、形構造及巖漿活動的研究,闡述了該區旋滑構造的特徵,並對其形成機制進行了探討。
  19. A technique of 3 - point positioning of welding seams with structure - light visual sensor is presented. with this technique, arc - welding robots can cope with the location variation of weld seams each time in batched manufacturing. on the base of suitable mathematical description, the localization problem is transformed into determining a displacement transformation matrix

    在此系統中利用機器人結構光視覺三點焊縫定位技術,使焊機器人可以適應批量生產中每次焊縫位置的變化,過適當的數學描述,將焊縫定位問題轉化為確定位姿變換矩陣。
  20. Based on researching the function of every kind of eliminating arc loop, new concept was brought up in this paper, and the protective device for eliminating arc and overvoltage was researched and manufactured. when the arc light connecting the ground emerges, the chip synthesizing controller control the vacuum contacter which can be operated with dividing phase and make its fault phase earthed so that the arc light can be dissolved thoroughly

    本文在研究各種消線圈的基礎上,提出全新的概念,研製出了消及過電壓保護裝置,該裝置在出現光接地時,過單片機綜合控制器控制一組可以分相操作的真空接觸器,使故障相接地,達到徹底消除光的目的。
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