The researchers based their studies on an optical illusion theory described by the 19th century philosopher Franz Delboeuf.
研究人员是以19世纪哲学家Franz Delboeuf描述的视觉错觉理论为基础进行研究的。
Recently, people are doing wide studies on Asynchronism Transfer Mode and Passive Optical Network.
近年来，人们对异步转移模式和无源光网络进行了广泛研究。
Slow crystal formation gives quite pure crystals that probably need not be recrystallized for the optical activity studies.
缓慢的结晶过程会给出十分纯的晶体，在光学活性的研究中，这些晶体很可能不需要进行再结晶了。
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