Crystal says linguistic changes caused by the Internet run parallel to changes in the existing lexicon.

VOA: standard.2010.01.16

And these rings are indicative of the crystal structure of nickel and can be explained only by invoking wavelike properties of light.

这些光圈,表明了了镍的晶体结构,而且只能通过,光线中波的特征来解释。

麻省理工公开课 - 固态化学导论课程节选

And at first this was done by Davidson and Germer, and they were American scientists who tried diffracting electrons from a nickel crystal.

这个实验首先是由，美国科学家Davidson和Germer完成的,他们尝试从镍晶体中衍射电子。

麻省理工公开课 - 化学原理课程节选