遗憾的是，这种观点并不完全正确，或者至少不像白与黑那样分的清楚。

Unfortunately, this is not quite true — or at least not as black and white as it may seem.

youdao

在传真技术中，具有一系列处在图象黑电平与白电平之间色调的图象。

In facsimile, a picture having a range of toneslying between picture black and picture white.

youdao

在传真技术中，具有一系列处在图象黑电平与白电平之间色调的图象。

In facsimile, a picture having a range of toneslying between picture black and picture white.

youdao