| 释义 |
range of visibility 【航海学】视距 以上来源于:《21世纪大英汉词典》 range of visibility能见距;视线范围range of visibility可见距离;视距range of visibility视线范围range of visibility能见度双向☞ range of visibility--apparent distancerange of visibility可見距離;視距電機工程range of visibility能見度測量學range of |