"ban-A-bu-B" format is a popular format in spoken expression in modern Chinese. Basing on the full analysis of the nature and characteristics of the variable part "A""B" and the invariant part of "ban" and " bu ", this paper holds that the format is a low-level expression with a format meaning: 1. When the semantemes of A and B are opposite, the whole format emphasis on "ban-A", which contains the expression of soft rejection and disgust;2. When the semantames between A and B are similar, this format contains inappropriate and disagree expression to things or events, etc. This kind of format has a function of low-level negative evaluation and the function of high-level subjectivity.
Abstract. Traditionally, the optics experiment of tradition takes the lead of the authenticating experiment and goes short of interesting and activity, meanwhile it is very unfavorable to the expansion of students' creative ability. In this paper, applications of Michelson interferometer in laser wavelength measurement and surface roughness measurement are introduced to extend basic experiments for Michelson interferometer. The wavelength and properties of two kinds of lasers are obtained; and the variation of the interference pattern with the flatness of metal surface is shown as well.
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