proportionallyadv.按比例地；配合地；相应地proportionaladj.成比例的；相称的n.[数]比例项Proportional Navigation Trajectory比例导引法Proportional Integral Differential位置反馈proportional plus integral control比例 积分控制,比例积分控制proportional press ure relief valve比例溢流阀proportional-counter spectrometer正比计数器谱仪proportionality of stress to strain应力与应变的比例性proportional plus integral observer比例积分观测器Proportional differentiation service比例区分服务proportional-integral-derivative比例-积分-微分Proportional Differentiated Services比例区分服务

1. The instrument error that contributes to the greatest variability is the cuff size of the sphygmomanometer.
   变异性中占比例最大的设备误差是血压计袖套的大小。
2. The stability of these illative number and efficiency sex can pass opposite deviation and square root of relatively average error to evaluate.
   这些推定数的稳定性和效率性可以通过相对偏差和相对平均误差平方根来评价。
3. In the case of new machines, total depreciation is usually relatively small, tending to minimize the error in estimating depreciation.
   对于新的机器，总的陈旧贬值往往比旧的相对小，使得估算贬值的差错也减到最小。