ratio n. (pl. ratios) 1.比,比率,比值;比例;系數。 2.【經濟學】復本位制中金銀的法定比價。 the ratio 3:2 (讀作 the ratio of three to two )3對2之比。 arithmetical ratio 公差,算術比。 direct ratio 正比。 inverse [reciprocal] ratio反比。 current ratio 電流比,電流變換系數。 nutritive ratio 營養率。 vt. 1.用比例方式表達;求出…的比值;使…成比例。 2.將(相片)按比例放大或縮小。
Lasers and laser - related equipment - test methods for laser beam widths , divergence angles and beam propagation ratios - general astigmatic beams 激光和激光相關設備.激光束寬度發散角和束擴散率的試驗方法.一般象散束
Lasers and laser - related equipment - test methods for laser beam widths , divergence angle and beam propagation ratios - part 2 : general astigmatic beams 激光和激光相關設備.激光束寬度發散角和束擴散率的試驗方法.第2部分:一般像散束
Lasers and laser - related equipment - test methods for laser beam widths , divergence angles and beam propagation ratios - stigmatic and simple astigmatic beams 激光和激光相關設備.激光束寬度發散角和束擴散率的試驗方法.無象散和簡單象散束
Lasers and laser - related equipment - test methods for laser beam widths , divergence angle and beam propagation ratios - part 1 : stigmatic and simple astigmatic beams 激光和激光相關設備.激光束寬度發散角和束擴散率的試驗方法.第1部分:無象散和簡單象散束