我船由于严重损坏，在进口灯标235度，距离2。5海里弃船。
My vessel was abandoned bearing 235distance 2.5off entrance light due to serious damage.
现在的问题是，怎样将欣赏距离和人们的视觉灵敏度联系起来。
The question, then, is how to relate viewing distance to a person's visual acuity.
在每张详细的地图上都没有距离的单一尺度。
有效地解决远距离灵敏度降低及温度上升距离缩短的问题；
An effective solution to reduce the distance and temperature sensitivity by shortening the distance;
有效地解决远距离灵敏度降低及温度上升距离缩短的问题；
An effective solution to reduce the distance and temperature sensitivity by shortening the distance;
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