科学家给参照组24只狗放映大小不等的猫或几何形状的阴影图片以代替原来狗的图片,并同时播放狗叫声。
A control group of 24 dogs were also played the dog growls but were instead shown silhouettes of large and small cats or geometric shapes.
但其实并不总是那么好搞的,要给文本添加阴影,你得使用的图片,从而增加加载时间,并且维护更加困难。
But it was not always practical. To add shadows to text, you had to use images, which increased loading time and made maintenance more difficult.
把欢迎图片和下面的阴影再复制一份,然后把它们拖动到原图片的下面。
Duplicate your welcome image and shadow layers, and then drag them underneath there originals.
t look the same to you, because your brain is correctly interpreting them as what once in a shadow, as sending, say a thousand photos per second into my eye.
但是,大家看起来却不一样,But,they,don’,因为你们的大脑正确地给予了解释,处于阴影当中,每秒钟向你的眼睛发出一千张图片。
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