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- mean effective diameter 平均有效直径
- The effective diameter of the motor pulley is obtained by subtracting 5 mm from the outer diameter. 马达皮带轮的有效直径为外径减5mm的数值。
- The ratio of the focal length of a lens or lens system to the effective diameter of its aperture. F值物镜或物镜系统的焦距与入射光孔直径之比
- Objective To investigate the effect of preparation conditions on the effective diameter and saturation magnetization (Ms) of dextran magnetic iron oxide nanoparticles (DMN). 目的探讨葡聚糖氧化铁磁性纳米颗粒(DMN)的制备对其有效粒径和比饱和磁化强度的影响。
- Based on the principle of plane winding, the calculation methods of the effective diameter of the turntable and the effective length of the link rod were determined. 根据球形压力容器平面缠绕原理确定了轮盘有效直径和连杆有效长度的计算方法；
- The results show that the engine speed and brake mean effective pressure (BMEP) have great influences on emissions. 结果表明： 发动机转速和平均有效压力对污染物排放有较大影响；
- Maximum indicated mean effective pressure(IMEP)oc- curred at middle engine speed,while maximum IMEP decreased at high engine speed. 在中间转速,HCCI实现的最高平均指示压力最大,高转速工况,最高平均指示压力降低；
- The results show that standard deviation and coefficient of variation of indicated mean effective pressure are the best parameters. 结果表明，平均指示压力的标准差及变动率是评定内燃机压力循环变动的最佳参数；
- Based on the OTF, relations between the effective diameter of three operture system and pupil parameters including the diameter of sub-apertures and spacing parameter are analyzed. 以光学传递函数为标准，分析三孔径合成系统子孔径尺寸、相互间距与等效系统孔径尺寸之间的关系。
- The mean effective dose ED50 values of 4 antibiotics were DED50,NTL=30.2 mg/kg < DED50,ABK=78.3 mg/kg < DED50,ASTM=215.2 mg/kg < DED50,ISP=359.7 mg/kg, respectively. 半数有效量ED50值大小顺序为DED50;NTL=30.;2mg/kg
- The mean effective power of herbs used for the treatment of SAP was 89.12%, and its main mode of administration was via nasal feeding with retained herbal formulas. 中医药在治疗重症胰腺炎方面，效果是肯定的，平均有效率89.;12%25；固定方剂鼻饲为主，随证加减占39
- The mean effective population size could be estimated as a harmonic means of the Ne. 估计出平均有效种群大小，作为所有世代ne的调和平均值。
- effective diameter of soil particle 土粒有效直径
- effective diameter of picture area 有效画面直径
- Piston-assembly friction measurement using IMEP (indicated mean effective pressure) method needs to exactly calculate the force of connecting rod and inertia force of the piston-assembly. 摘要用平均指示压力(IMEP)法测量内燃机活塞组的摩擦力，必须准确地分析计算连杆和活塞组惯性力。
- Abstract： Piston-assembly friction measurement using IMEP (indicated mean effective pressure) method needs to exactly calculate the force of connecting rod and inertia force of the piston-assembly. 摘要： 用IMEP（平均指示压力）法测量内燃机活塞组的摩擦力，必须准确地分析计算连杆和活塞组惯性力。
- effective diameter of picture area diameter 有效画面直径
- The seepage in calcirudite was then measured experimentally as a function of the 3-D stresses.The results show that the calcirudite permeability is inversely related to the mean effective stress. 在渗流-三轴应力耦合试验机上开展的砂砾岩渗流应力耦合试验的结果进一步证明，砂砾岩渗透系数与平均有效应力成负指数函数关系。
- That's rather an effective use of color. 这种使用颜色的手法效果相当好。
- It had led to an improvement to the status of actors and musicians, which really meant effective implementation of neighboring rights. 这样做导致演员和音乐家的地位得到了提高,这实际上意味着邻接权得到了有效的落实。
