她用相机和三种不同的光源来寻找塑料。
She uses a camera along with three different kinds of light to find the plastics.
药品、照相机、医学设备、陶瓷、橡胶、塑料甚至鱼类和海产品，中国的份额都有所增长。
In pharmaceuticals, cameras, medical devices, ceramics, rubber, plastics and even fish and seafood, China has gained share.
而且黑客似乎只能在塑料键盘上运用这个方法，因为金属会反射出大量的热量干扰波，从而使得红外摄相机无法准确识别。
And the hack only seems to work on plastic keypads — metal returns too much heat noise for the IR camera to reliably discern with keys were just pressed.
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