本文利用态叠加原理移去压缩光场态中的真空态，研究了真空态与压缩的关系。
Using the principle of state superposition, we study the relationship between shiping and vacuum state by means of removing vacuum state from squeezed states.
根据体光伏效应和压电性的叠加，可以解释光致伸缩现象。
Photostriction can be explained by superposition of the bulk photostrictive effect and piezoelectricity.
本文从理论上阐述了光干涉现象中的非相干叠加问题；
This paper expounds the problem of incoherent superposition in the interference of light in terms of theory.
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