origin 原點(diǎn)，起點(diǎn)，原始位置 (used for external Datebase)
origin of coordinate 坐標(biāo)原點(diǎn)
origin of force 力原點(diǎn)
original density 原始密度
original equipment manufacturer 設(shè)備原制造商 [OEM]
original equipment tire 原裝輪胎，新車輪胎
original mechanism 原始機(jī)構(gòu)
original nucleus 母核，原始核
original system 原系統(tǒng)
originality and device 發(fā)明創(chuàng)造
originator 源發(fā)站
origins of value functions 值函數(shù)原點(diǎn)
ornithopter 撲翼 (飛 )機(jī)
orthicon 正析攝像管
ortho 正交
ortho-axis 正軸
ortho-calcium silicate 正硅酸鈣
ortho-compound 鄰位化合物
ortho-position 正位
ortho-projector 正射投影儀
orthobituminous coal 肥煤
orthocenter ①垂心②正中心
orthoclase 正長(zhǎng)石
orthodox 正統(tǒng)的，正規(guī)的
orthoferrite 正鐵氧體
orthogon 正方形，正角形
orthogonal 正交 正交的
orthogonal anisotropy 正交各向異性
orthogonal antenna 正交天線
orthogonal axes 正交軸
orthogonal circle 正交圓
orthogonal complement 正交補(bǔ)償
orthogonal coordinate system 正交坐標(biāo)系
orthogonal coordinates 正交坐標(biāo)
orthogonal curvilinear coordinate 正交曲線坐標(biāo)
orthogonal cutting 垂直割法
orthogonal design 正交設(shè)計(jì)
orthogonal distrortion 正交畸變
orthogonal expansion 正交展開(kāi)，正交級(jí)數(shù)
orthogonal function 正交函數(shù)
orthogonal increment process 正交增量過(guò)程
orthogonal matrix 正交矩陣
orthogonal mode 正交模式
orthogonal octahedron 正交八面體
orthogonal parity check 正交奇偶校驗(yàn)
orthogonal polynomial 正交多項(xiàng)式
orthogonal projection 正射投影
orthogonal series 正交級(jí)數(shù)
orthogonal set 正交集
orthogonal signal 正交信號(hào)
orthogonal system 正交系，正交系統(tǒng)
orthogonal test 正交試驗(yàn)
orthogonal transformation 正交變換
orthogonal translation 正交位移
orthogonal vector 正交向量
orthogonality 正交性
orthogonality condition 正交性條件
orthogonality relation 正交關(guān)系
orthogonalization method 直交法
orthogonalized plane wave 正交平面波
orthograph 正投影圖，正視圖
orthographic 正交 正投影
orthographic projection 正射投影
orthography 正射投影
orthohexagonal axis 六角正交軸
ortholignitous coal 褐煤
orthonormal basis 標(biāo)準(zhǔn)正交基
orthonormal system 正交歸一系
orthonormal vector 標(biāo)準(zhǔn)正交向量
orthorhombic structure 斜方晶結(jié)構(gòu)
orthorhombic system 正交晶系，斜方晶系
orthorhombic unit cell 斜方晶胞
orthoscopic eyepiece 無(wú)畸變目鏡
orthotropic material 正交各向異性材料
orthotropic solid 正交各向異性體
orthotropy 正交各向異性
osciducer 振蕩傳感器
oscillate 擺動(dòng)，振動(dòng)，振蕩
oscillating ①擺動(dòng) (的 )，振動(dòng)的，振蕩的②振動(dòng)，振蕩
oscillating agitator 振蕩攪拌器
oscillating and rotary center beard hopper 擺動(dòng)回轉(zhuǎn)中心板式料斗
oscillating bar 擺桿
oscillating beacon 振蕩信號(hào)
oscillating bearing 擺動(dòng)軸承
oscillating bit ①振蕩鉆②偏心鉆
oscillating blade microtome 振動(dòng)式超薄切片機(jī)
oscillating block slider crank mechanism 曲柄搖塊機(jī)構(gòu)
oscillating bond 振動(dòng)鍵
oscillating center board hopper feed 擺動(dòng)中心板式漏斗送料裝置
oscillating condition 振蕩條件
oscillating conveyor 振蕩輸送機(jī)
oscillating crystal 振蕩晶體
oscillating crystal method 回?cái)[晶體法
oscillating cylinder viscometer 振蕩筒式黏度計(jì)
oscillating damper 成振器
oscillating die press 振動(dòng)模用壓力機(jī)
oscillating double bond 擺動(dòng)雙器
oscillating feeder 振蕩加料器
oscillating follower 擺動(dòng)從動(dòng)件
oscillating foundation 搖 (擺支 )座
oscillating function 振蕩函數(shù)
oscillating granulator 振蕩碎粒機(jī)
oscillating guide-bar mechanism 擺動(dòng)導(dǎo)桿機(jī)構(gòu)
oscillating link 振動(dòng)鍵
oscillating linkage 振動(dòng)鍵
oscillating magnetic field 振蕩磁場(chǎng)
oscillating motion 振蕩運(yùn)動(dòng)
oscillating movement 擺動(dòng)運(yùn)動(dòng)
oscillating neutral 振蕩中性
oscillating period 振蕩周期
oscillating plane 吻切平面
oscillating screen 振動(dòng)篩
oscillating trough 振蕩槽
oscillating warning lamp 擺動(dòng)光束警示燈
oscillating-crystal roentgenogram 回?cái)[晶體 X射線照相
oscillation ①擺動(dòng)，回?cái)[，振動(dòng)②振蕩，波動(dòng)
oscillation angle 擺角
oscillation burning 振蕩燃燒
oscillation constant 振蕩常數(shù)
oscillation damper 振蕩減振器
oscillation frequency 振蕩頻率
oscillation of dislocation 位錯(cuò)的振蕩
oscillation period 振蕩期
oscillational quantum number 振動(dòng)量子數(shù)
oscillator ①擺動(dòng)器，振蕩 (發(fā)生 )器②振動(dòng)子③半導(dǎo)體振蕩器
oscillator crystal 振蕩晶體
oscillator harmonic interference 振蕩器諧波干擾
oscillator strength 振子強(qiáng)度
oscillator type frequency standard 振蕩器型頻率基準(zhǔn)器
oscillatory bearing 擺動(dòng)軸承
oscillatory circuit 振蕩電路
oscillatory discharge 振蕩放電
oscillatory impulse 振蕩脈沖
oscillatory motion ①振蕩運(yùn)動(dòng)②住復(fù)運(yùn)動(dòng) (海洋風(fēng)生波 )
oscillatory scanning 振蕩掃描
oscillatory surge 振蕩性電涌
oscillogram 波形圖，示波圖
oscillograph 示波器，錄 (示 )波器
oscillograph tube 示波管
oscillographic polarograph 示波極譜儀
oscillography 示波術(shù)，示波法
oscillometer 示波計(jì)
oscillopolarography 示波極譜法 (化 )