倍率

bèilǜ
(optics) magnifying power

CEDICT

multiplying power; zoom ratio

Wiktionary

用光學儀器，對實物放大的倍數。

重編國語辭典

Entry Composition

1 倍 bèi
  1. (two, three etc) -fold
  2. times (multiplier)
  3. double
  4. to increase or multiply
2 率 lǜ (bound form) ratio; rate; proportion

Related entries

放大倍數 fàngdàbèishù
  1. magnifying power
  2. magnification