He did it with a high tech marvel called a blink comparator; he put two photographs of the same patch of sky taken on different nights into the contraption and flipped back and forth between them.
2
我开始用油画棒和水彩结合的方法快速地画民居速写,并将这一技法融入水彩、油画创作中。
I started to sketch folk houses with the combination of oil pastel and watercolor, and applied this technique in the creation of watercolor painting and oil painting.
3
两种乐器的演奏者也使用一些相同的弹拨技法,包括用右手手指快速来回拨动琴弦,制造出持续的颤音效果。
Performers on the two instruments share some plucking techniques, including rapidly wheeling the fingers of the right hand over a string to create a sustained tremolo effect.