ratio n. (pl. ratios) 1.比,比率,比值;比例;系數(shù)。 2.【經(jīng)濟(jì)學(xué)】復(fù)本位制中金銀的法定比價(jià)。 the ratio 3:2 (讀作 the ratio of three to two )3對(duì)2之比。 arithmetical ratio 公差,算術(shù)比。 direct ratio 正比。 inverse [reciprocal] ratio反比。 current ratio 電流比,電流變換系數(shù)。 nutritive ratio 營(yíng)養(yǎng)率。 vt. 1.用比例方式表達(dá);求出…的比值;使…成比例。 2.將(相片)按比例放大或縮小。
Study on geomagnetic anomalies in amplitude ratio before earthquake 震前地磁幅值比異常研究
Pick - up and application of amplitude ratio profile of p wave and ps wave by prestack kirchhoff integral migration 積分偏移法縱橫波振幅比剖面的提取與應(yīng)用
This paper introduces a method of calibrating and processing angular speed fluctuation in ni sampling system - pxi - 6281 , it accomplishes the acquisition of angular speed fluctuation by distortion of signal , analyzing fundamental wave , high order harmonic of angular speed feedback signal and calculating the amplitude ratio of base wave and high order harmonic 摘要利用ni的pxi - 6281高速數(shù)據(jù)采集卡來完成角速度波動(dòng)信號(hào)的采集,借鑒信號(hào)失真度的概念,分析角速度反饋信號(hào)的基波和高次諧波大小,求取高次諧波與基波幅值比,作為角速度波動(dòng)率。