ration.比率;比例
ratio testing比率测试
ratio arm box电桥用电阻箱,比例臂电阻箱,比例臂箱
ratio surface比表面积
ratio measure比率测量
ratio of gain增益比
ratio detectorn.[电子]比例检波器
ratio sampling比例抽样
ratio resistor比率电阻箱
ratio of water吸水倍率
ratio of slope坡率,坡度比