proportion
【词性】：n． 【释义】： 比例，部分 ◇in proportion as按…的比例in proportion to与…相称out of proportion不相称 ‖proportional amplifier比例放大器proportional controller factor比例控制系数proportional detector比例探测器proportional guidance比例引导proportional navigation比例导航proportional navigation course比例引导航向proportional navigation system比例导航系统proportional navigation trajectory比例导航轨迹proportional adj．成比例的 |