They are high-tech double exposure photographs.

这些是高科技双重曝光照片。

Despite its many limitations, the double exposure mattes were used for many years, until something a little more familiar to us arrived on the scene.

管双层曝光遮罩有很局限性， 它还是被使用了很年，直到某种对我们来更熟悉的技术出现。

While many experts have tried to determine whether or not this is double exposure, most speculation has concluded that it resembles a 16th century monk with a white shroud over his face, possibly to mask leprosy or another disfigurement.

虽然许专家试图确定这是否是双重曝光， 数猜测得出的结论是，它类似于 16 世纪的僧侣， 脸上戴着白色裹尸布， 可能是为了掩盖麻风病或其他毁容。