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visual range的英文翻譯是什麼意思，詞典釋義與在線翻譯：
英英釋義
Noun:
-
distance at which a given standard object can be seen with the unaided eye
visual range的用法和樣例：
例句
- There are also six sets of Runway Visual Range transmissometers to measure visibility conditions along the two runways.
同時亦設置了六組跑道視程透射表以量度兩條跑道的能見度。
