基本解释非周期性同根派生 英汉例句It is shown that the entropy evolution exhibit nonperiodicity vibration. 结果表明，离子熵的演化呈现非周期性的振荡。21 layersperiod and 17 lay- ers nonperiod Mo/Si mirrors are fabricated by DC MCS technique. 21层周期和17层非周期Mo/Si结构反射镜。