例句與造句

1. This paper studied the dispersion and the field distribution of the wave - guide with helical corrugation operating in 8mm wave band . the main works of this dissertation are listed as following : 1 . based on the theory of coupled - wave , using the method of perturbation , the coupled - wave equations are derived and the rule of coupling is gotten . 2
   2 .利用螺旋波紋波導(dǎo)的耦合波方程和模式耦合規(guī)則,得到波導(dǎo)色散方程,利用visualfortran平臺編程進(jìn)行數(shù)值模擬,分析相關(guān)物理參數(shù)對色散特性的影響;對波導(dǎo)的行波幅值耦合方程進(jìn)行數(shù)值模擬,從而簡化了耦合方程,在此基礎(chǔ)上利用visualfortran平臺編程進(jìn)行數(shù)值模擬,分析螺旋波紋波導(dǎo)的場分布情況。
2. It's difficult to find method of perturbation in a sentence. 用method of perturbation造句挺難的