To a certain distance from the light source and, as the exposure time of growth-Edition-wood light part of the membrane decomposition intensifies, until the unexposed surface resolve completely drug.

• 在必定平源及间隔下，随着曝平工夫的增不幼，-版-材见平局部药膜搀合加轻，直至见平药膜背合座搀合。