趣英语 / “照度”造句

“照度”造句

照明辐射的照度通常是以光度为单位.
Illuminance of illuminating radiation is always measured in photometric units.

当照度低于约1勒克司时,锥状细胞就不再起作用.
When the lighting level falls below about 1 lux the cones cease to act.

规定的被照明表面上的照度平均值.
It refers to the specified average illuminance value on the lighted surface.

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