螺線角 的英文怎麼說
中文拼音 [luóxiànjiǎo]
螺線角
英文
helical angle-
Jt91 - 200 artillety gyro altazimuth is a fix instument which can research the grid north automatically and determine grid north azimuth at any direction. it works by making use of the physical features of gyro and influences of earth rotation. the equipment of this instument will play a important role in topographic clement
Jt91 - 200型炮兵陀螺經緯儀是利用陀螺本身的物理特性和地球自轉的影響，實現自動尋找其北方向和測定任一方向線的真北方位角的定向儀器。該型炮兵陀螺經緯儀的裝備使用，對我軍炮兵測地分隊的測地保障發展將產生重大影響。Straightedge rule ( square rule, slide gauge, inside and outside micrometer, steel tape, feeler, dial gauge, depth micrometer, wire gage, radius gage, thread pitch gage ) is a kind of common measuring tool
直尺（角尺、游標卡尺、內徑和外徑千分尺、鋼捲尺、塞尺、千分表、深度千分尺、線規、半徑規、螺距規）是一種常用量具。Since complicated differential and integral operations were involved in the kernel of the integral equation, we simplified the equation and got the nakano equation. as instances, the planar archimedean spiral antenna, the planar equiangular spiral antenna, the monofilar helical antenna, the conical helical antenna with fixed ascending angle and the conical equiangular - spiral antenna were analyzed through the moment method. all of the results matched fairly well with the references and experiment results
這種方法的積分方程的積分核里含有復雜的微積分運算，為了簡化計算，本文在推廣的海倫積分方程的基礎上，對方程進行了簡化，推導了nakano方程，並以平面阿基米德螺旋天線，平面等角螺旋天線，軸向模圓柱螺旋天線，具有固定升角的圓錐螺旋天線和圓錐等角螺旋天線為例，用矩量法求解了天線上的電流分佈，研究了螺旋天線輻射的寬頻帶特性，所得的結果均與參考文獻吻合很好。Our company is located in furong town, famous for drills manufacturing, to the north is yandang mountain - one of the greatest sceneries in china, convenient traffic, near to no. 104 highway. we specialized in manufacturing cemented carbide series, hex fey wrennch magwetil nut serrer power pneumatic screwdriver bits series, screwdrivers, pneumatic holder, diamond core drills for glass, diamond core drills for marble and silica carbide materials, etc
本公司位於國家級風景區（世界地質公園之稱）雁蕩山南麓，被命名為「中華全國鉆頭（建工）產業基地」的芙蓉鎮，交通便捷，近臨104國道線，是以專業生產硬質合金系列電動、風動螺絲批咀、內六角板手、螺絲刀、套筒、玻璃開孔器、大理石開孔器、金剛砂等系列產品的廠家。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
將液體火箭發動機燃燒室的冷卻通道設計為斜航線（等傾角螺旋線）槽形，可以大幅度改善燃燒室的冷卻性能.斜航線冷卻槽的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、四軸聯動的數控片銑刀銑削加工方法.由於燃燒室外表面的母線輪廓復雜，手工編制數控加工程序難度大.為了解決數控加工程序的編制問題，研究了斜航線的數學模型，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的斜航線數控加工程序.燃燒室收斂-擴張段的母線斜率變化大，加工難度大，是斜航線冷卻通道加工的最典型工件.經過理論分析和實際切削實驗，研究了針對該類型工件的片銑刀直徑選擇、銑削方式和方向、刀具調整和起刀點的設置等多項實際的加工方案.採用上述的一系列技術，已經成功地加工了數十個合格工件.經過兩年多的實際生產過程應用，驗證了所開發的斜航線冷卻通道加工方法的正確性和可行性.這些加工技術的研製成功，對其他相似類型零件的加工亦具有參考意義Octagon connectors for terminal studs, rated over 10000 a, for alternator - bushings
額定電流以上交流發電機接線螺柱用八角連接Tool that needs to be prepared during the installation : churn drilling, corner mill machine, welding machine, tapeline, plumb bob, glue pincers, iron chisel, 810 expansion bolt, cross and subtraction sign screw driver etc
安裝所需準備的工具：沖擊鉆角磨機焊機拉尺線錘膠鉗鐵鑿8x10膨脹螺絲十字和一字螺絲批等。The influence factors and optimal scheme of connected - triangle surveying with shaft is analyzed in detail. the formula for calculating the lateral transfixion errors of underground traverse with added gyro orientation line is derived strictly, the calculation results show that the accuracy can be increased obviously by the way of orienting added gyro lines
詳細分析了聯系測量各因素對方位傳遞的影響，探討並比較了加測陀螺方位角后地下導線的精度提高問題，論證了加測陀螺方位角后直伸等邊導線終點精度的嚴密計算公式及陀螺方位邊布測的最佳位置。In this thesis, four types of steel beam - rectangular cfst column connections, including normal welded flange plate ( wfp ) connection, bolted flange plate ( bfp ) connection, stiffened end plate ( sep ) connection and double split - tee plate ( dst ) connection, were designed based on the configuration of steel frame connection. total 8 models, 2 models of each kind of connections were tested under low - reversed cyclic loading at the end of cfst columns. the relationships between force and displacement at the end of columns, the relationships between the moment and rotation of the joints, degradations of strength and stiffness, ductility, failure mechanism and failure characteristics of these four connections under different axial - compression ratios were presented
本文借鑒鋼框架節點構造，設計了四種類型矩形鋼管混凝土柱與鋼梁連接節點，包括常規栓焊（ wfp ）節點、翼緣全螺栓連接（ bfp ）節點、雙t板連接（ dst ）節點以及加勁端板連接（ sep ）節點，進行了四類節點8個模型試件在柱端低周反復荷載作用下的抗震性能試驗研究，比較了不同軸壓比下節點的滯回性能、強度與剛度退化、延性、破壞機理與破壞特徵，主要結論有： 1 、節點的位移滯回曲線與轉角滯回曲線為塊型分佈，沒有或略有捏攏現象，耗能能力強； 2 、軸壓比對節點滯回曲線有顯著影響，全部節點都有顯著的剛度退化； 3 、位移與轉角骨架曲線在峰值荷載後有較長的水平或下降段，具有良好的延性性能； 4 、從整體抗震性能上看，翼緣全螺栓連接節點、雙t板連接與加勁端板連接節點都優于常規栓焊節點，可在實際工程中加以推廣。Part three raiders a game. crocodile left switches, oven gas bottle left in the switch, middle banana on the first rocket, the lower left - hand corner of machinery, machine screws below, the alligator left switch, gas bottle switch, the tail of a rocket, fired right lower antenna first
第三集游戲攻略1 .鱷魚左邊的開關3次，烤爐左邊的煤氣瓶開關，中間的香蕉放在火箭頭處，左下角的機器，機器下面的螺絲，鱷魚左邊的開關，煤氣瓶開關，火箭尾部，右下天線發射頭。Besides one h - steel production line, we have three specialized production lines altogether, which can produce the round steel, screw steel, h - beam, channel steel, angle steel, i - beam
我公司下屬軋鋼廠一個，焊接h型鋼生產線一個，共有三套專業生產線，可以生產各種圓鋼、螺紋鋼、工字鋼、槽鋼、角鋼、 h型鋼。It covers an area of about 260 hectares. the seaward boundary is demarcated by linking the tips of heung lo kok and kwun tsoi kok through the northern end of flat island ( ngan chau ) and moon island ( mo chau ). the landward boundary follows the high water mark along the coastline
此海岸公園海域面積約佔260公頃，其海上界線以連接向螺角與棺材角尖端的直線為限，並穿越銀洲和磨洲的北端；陸上界線則隨岸邊的高潮線劃分。Usually in the past inertial measurement systems gyros are used to sense angular velocity and accelerometer for linear acceleration
在以往的慣性測量系統中，常用陀螺測量角速度，而用線加速度計感受線加速度。A triple helix features three bands of ribbons that are braided in a rope like fashion
三角形的螺旋結構是由三股線編成一股。Involute spiral angle
漸開線螺旋角Calibration results indicate that this angular rate gyro has good linearity with correlation coefficient of 0. 9996, and high precision with standard error of 0. 0036
標定結果表明，該角速率陀螺線性度好，相關系數為0 . 9996 ；精度高，標準誤差為0 . 0036 。Thirdly, the spatial cylindrical helix is approximated by rational triangular bezier curve in cylindrical coordinate system
再次，建立柱坐標系，給出圓柱螺線的三角有理b zier表示。Another rule of nature is found in seashells. the shapes of many of these shells are associated with the spiral pattern in mathematics
海螺則呈現了另一種規律，原來很多貝殼的形狀都是屬于數學中的等角螺線。For cutting the composite lock gear with unequal tooth thickness, a study is made on the design method of gear sharper cutter with nonstandard parameter involute tooth profile and noninvolute tooth profile. the cutter tooth arrangement, the choice of teeth number of the cutter and the basic method of cutter design are discussed ; and a new method of choosing deflection factor by using limited area is presented. and the curve of relationship between rear angle on tooth crest and helical angle on tooth side of the cutter is given so as to give a basis for the gear sharper cutter to choose its parameters. to design nonstandard gear sharper cutter by adopting the method mentioned above will simplify the calculation and will increase the efficiency of design
研究加工不等齒厚的非標準參數漸開線齒形，與非漸開線齒形復合的鎖閉齒輪插齒刀刀齒的排列、刀具齒數的選擇以及刀具設計的基本方法，介紹用限制區域選擇插齒刀變位系數的新方法，並給出刀具齒頂后角與側螺旋角的關系曲線，為插齒刀參數的選擇提供依據.結果表明，採用上述方法設計非標準復合齒輪插齒刀，可簡化計算和提高設計效率It would be ready for virtual manufacture of ball - end cutters. firstly, the traditional cutting - edge models with constant helix angle of ball - end cutters are analyzed and the befitting normal helix models are proposed, and helical peculiarities of them are analyzed by definition of helix angle
首先，本文對傳統的等螺旋角的球頭立銑刀刃口曲線的模型進行了分析，建立了正交螺旋線的刃口曲線模型，並運用螺旋角的定義分析了該刃口曲線的特點。分享友人