开口比的英文

• aperture efficiency

• "开口"英文翻译    open one's mouth; start to t ...
• "比"英文翻译    2
• "凹口比" 英文翻译 :    notch ratio
• "出口比" 英文翻译 :    exit ratio
• "风口比" 英文翻译 :    tuyere ratio
• "浇口比" 英文翻译 :    gating proportion; gating ratio
• "人口比" 英文翻译 :    more than fourteen times as many people
• "开口" 英文翻译 :    1.(开口说话) open one's mouth; start to talk; begin to speak 不开口 hold one's tongue; 难以开口 find it difficult to bring the matter up2.(开刃) put the first edge on a knife; sharpen the edge of a new blade3.opening aperture; [纺织] shedding; aperture; placketing; orifice; fent; hiascent; 开口订单 open order; 开口订货单 open indent; 开口合同 open-end contract; 开口机 tapping machine; 开口器 mouth gag; 开口销 linchpin; lynchpin; split cotter; split pin; spring cotter; forelock; [设计] cotter pin; 开口信件 unsealed letter
• "出口比重" 英文翻译 :    flowline specific weight
• "进出口比价" 英文翻译 :    terms of trade
• "进出口比率" 英文翻译 :    export cover ratio; export import cover ratio
• "城乡人口比例" 英文翻译 :    population proportion urban vs. rural
• "老龄人口比重" 英文翻译 :    proportion of the aged
• "老年人口比例" 英文翻译 :    proportion of aged population
• "男女人口比例" 英文翻译 :    sex ratio
• "城市人口比例上升" 英文翻译 :    the population of urban residents rose by
• "负债对出口比率" 英文翻译 :    debt to export ratio
• "进出口比价指数" 英文翻译 :    terms of trade indexes
• "人口比……多达14倍以上" 英文翻译 :    more than fourteen times as many people
• "受抚养儿童人口比" 英文翻译 :    youth dependency ratio
• "医生与人口比例" 英文翻译 :    doctor population ratio
• "半开口" 英文翻译 :    half opening; semi-open
• "包开口" 英文翻译 :    bags mouths open
• "别开口" 英文翻译 :    zip your lips
• "不开口" 英文翻译 :    hold one's tongue

• The diffraction efficiency changing with grating parameters , especially for the situation that gaussian beams diffracted by finite grating , is numerically studied . 3
  对单色平面波和有限尺寸高斯光束入射矩形光栅时的衍射效率与光栅栅距、槽深、开口比和入射角等参数的关系进行了仿真计算。
• The main works and contributions achieved in this dissertation are concluded as follows : 1 . based on the scalar diffraction theory , the mathematical model of optical configuration of transmissive grating interferometer is established . it indicats that moir interference fringes is affected by many parameters , such as grating pitch , light wavelength , light beam size and incidence angle , etc . the variation that the width , intensity , orientation and contrast of moir interference fringes along with every parameter is numerically analyzed
  主要的研究内容和所取得的成果可归纳如下: 1 .基于标量衍射理论,建立了透射式光栅干涉仪光路的数学模型,分析了透射式光栅干涉仪的莫尔干涉条纹与光栅栅距、光栅开口比、光波波长、光斑尺寸、光束入射角等多个参数的关系。

• 开口比的日语：かいこうひ