释义 |
能见度néngjiàndù物体能被正常目力看到的最大距离,也指物体在一定距离时被正常目力看到的清晰程度。能见度好坏通常是由空气中悬浮着的细微水珠、尘埃等的多少决定的。{visibility, the maximum distance or degree of clearness in which objects are perceptible to the normal eyesight, which normally depends on the quantity of particles of water, dust, etc. suspended in the air} |