单词 | diameter |
释义 | diameterdiameter[daiˈæmitə]n.1.■直径; 对径, 横断面2.■倍(放大单位); (显微镜等的)放大倍数a lens magnifying 2, 000 diameters能放大二千倍的透镜 特殊用法airscrew diameter1.■螺旋桨直径angle diameter1.■(锥形螺纹)中径angular diameter1.■角直径antenna diameter1.■天线直径antero-posterior diameter of vertebral foramen1.■椎孔矢径approximate diameter1.■近似直径armature diameter1.■电枢直径atomic diameter1.■原子直径average diameter1.■平均直径average particle diameter1.■平均粒子直径balance diameter1.■摆轮直径bar diameter of spring1.■簧条直径basal diameter1.■底面直径base diameter1.■底座对径, 根部对径basic pitch (of screw) diameter1.■(螺纹的)基本中径beam diameter1.■射束直径bit diameter1.■钻头直径blank diameter1.■(毛坯直径)外径bore diameter1.■镗孔直径2.■量规3.■孔径bottom diameter1.■螺纹内径, 螺纹底径breast-height diameter1.■胸高直径calculated diameter1.■计算直径chest-height diameter1.■胸高直径clear valve diameter1.■阀孔径clearance diameter1.■(麻花钻上的)留隙直径, 隙径collision diameter1.■碰撞直径column diameter1.■柱直径commutator diameter1.■整流子直径computed diameter1.■计算直径conjugate diameter1.■共轭直径core diameter of thread1.■螺纹底径critical diameter1.■临界直径cut-off diameter1.■(波导管)临界直径, 截止直径crown mean diameter1.■树冠平均直径cylinder diameter1.■磁鼓直径cylinder bore diameter1.■气缸内径cylinder inside diameter1.■缸内径diaphragm diameter1.■振膜直径; 光阑直径die throat diameter1.■模孔直径disc diameter1.■唱片直径disk diameter1.■圆盘直径drilled diameter1.■钻孔(最大)直径drum diameter1.■磁头鼓直径duct diameter1.■风渠直径effective diameter1.■有效直径; 中径; 节径effective diameter of picture area1.■有效画面直径effective molecular diameter1.■【物化】有效分子 直径equatorial diameter1.■赤道直径(等于12753.44公里)equiconjugate diameter1.■等共轭直径equivalent diameter1.■当量直径equivalent circle diameter1.■圆当量直径equivalent flaw diameter1.■当量缺陷直径equivalent free-falling diameter1.■【冶】等效自由沉降直径exit diameter1.■出口截面直径exploitable diameter1.■可利用的径级external diameter1.■外径eye diameter1.■入口直径(离心式压气机入口)focused spot diameter1.■焦斑直径fuel-hole diameter1.■燃料喷嘴孔径geometric mean diameter1.■几何平均直径grain diameter1.■粒径hydraulic diameter1.■水力直径ideal critical diameter1.■理想临界直径inner diameter of the recorded surface1.■(唱片)录声面内径inside diameter1.■内径interior diameter1.■内径inside nominal diameter1.■公称通径installation diameter1.■装配图interocular diameter1.■两眼内径interpupillary diameter1.■瞳孔间径lens diameter1.■透镜直径linear mean diameter1.■线性平均直径major diameter1.■大直径maximum diameter of gear cut1.■齿轮切削最大直径maximum diameter of hole1.■最大孔径maximum admitted diameter of work1.■工件最大许可直径maximum drilling diameter1.■最大钻孔直径maximum grinding diameter on centers1.■中心最大磨削直径maximum machining diameter1.■最大加工直径maximum outside diameter of gear cut1.■最大齿轮切削外径maximum swing diameter of work over bed1.■车床床面上加工最大直径maximum swing diameter of work over carriage1.■车床在刀架上的最大加工直径mean diameter1.■二次平均直径mean coil diameter1.■簧圈平均直径mean effective diameter1.■平均有效直径mean particle diameter (size)1.■平均粒径mean volume-surface diameter1.■平均(体积-面积)粒径median particle diameter1.■【地质】中值粒径mid-timber diameter1.■材干中央直径milling cutter diameter1.■铣刀直径minor diameter1.■小直径minor diameter of thread1.■螺纹内径module diameter1.■机心[组件]直径motor chamber diameter1.■发动机燃烧室直径molecular diameter1.■分子直径neck diameter1.■颈部直径nodal diameter1.■波节直径nominal diameter1.■通称[标称]直径nuclear diameter1.■核直径outer diameter of recorded surface1.■录音面外径outside diameter1.■外径overall diameter1.■全径particle diameter1.■【地质】颗粒直径piston diameter1.■活塞直径pitch diameter1.■层心直径, (齿轮的)节径, (螺纹的)中径pore diameter1.■孔径printing diameter1.■印刷直径projection diameter1.■凸起直径punching hole diameter1.■冲孔直径rim diameter1.■轮辋直径rolling diameter of wheel tread1.■轮辋滚动直径root diameter1.■齿根圆直径; 内螺纹外径, 外螺纹内径rotor diameter1.■转子直径sauter diameter1.■沙得直径screw diameter1.■螺旋直径sedimentation diameter1.■【地质】沉积直径settling velocity diameter1.■(粒子的)沉降速度径shank diameter1.■(锻件上的)柄直径short diameter1.■小头直径small-end diameter1.■梢头直径specific punchdiameter1.■相对凸模直径specific surface mean diameter1.■比表面平均直径spherical equivalent diameter1.■球(当量)直径spot diameter1.■斑直径statistical diameter1.■【冶】统计直径sweep diameter1.■扫描直径swell diameter1.■【航空】膨胀直径swing diameter of work1.■工件回转直径thread root diameter1.■螺纹内径throat diameter1.■喉部直径, (喷管的)临界截面直径top diameter1.■梢头[端]直径, 顶径tunnel diameter1.■隧道直径upset diameter1.■镦锻直径valve diameter1.■气门径visible crown diameter1.■【摄】可见冠幅visual diameter1.■视直径volume surface mean diameter1.■体表面积平均直径weight-mean diameter1.■平均重量粒径(以表面积为基准的平均粒径)wetted diameter1.■(喷灌机的)浇灌直径diameter at butt end1.■根端直径, 大头直径, 干基直径diameter of a conic1.■二次曲线的直径diameter of a linear complex1.■线性线丛的直径diameter of aperture1.■(天线等的)孔径diameter of axle1.■轴径diameter of commutation1.■【电】换向直径diameter of movement1.■机心直径, 结构直径diameter of part1.■零件直径diameter of stack openning1.■烟囱上口直径diameter of target1.■靶环直径 |
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