| 释义 |
critical angle
释义
临界角：发生全反射的最小入射角度。
例句
1·So it's past the critical angle ; the angle is smaller.
它超过了临界角;,角度变小。
2·In addition, critical Angle method is introduced for automatic focusing.
同时还采用了全反射临界角法进行自动聚焦。
3·but remember, we set it at the critical angle , so that cotangent alpha is 2 mu.
,但是记住，摆放的恰是临界角，所以cotα等于2μ
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