为了再现出3d图象，研究人员令覆盖有金属层的材料沐浴在白光中，光中包含了可见光的所有波长(包括红、绿、蓝)。
To reproduce a 3d image, the researchers bathe the metal-sheathed material in ordinary white light, which contains all wavelengths of visible light (including red, blue, and green).
他说：在广告业中多的是好主意，简直比比皆是、人皆有之。然而难得的却是这样的人才：他采纳一条主意，并能使它活灵活现于言语和图象之中。可见a dime a dozen是“容易得到的、比比皆是的”。
2: in the AD business good ideas are a dime a dozen. Everybody has them. What you look for is a man or woman who can take an idea and make it come alive in words and pictures.
热图象由天然热辐射源产生一种可见的记录。
Thermal imagery produces a visual record from natural heat radiating sources.
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