例句與造句

1. Based on the viewpoint of interaction between waves in plasmas , the partial differential equation that causes the spectral lines broadening has been deduced from radiation transfer equation of high - frequency electromagnetic waves in plasmas . the numerical solution has been obtained by using the fortran program we compiled . we concretely calculated the spectral lines widths of and fraunhoferx 3704 in corona , fj / a4923 . 9 in dwarf nova oy car and f . / a4934 in the variable star rr lyrae
   本文從等離子體波與波相互作用觀點(diǎn)出發(fā)，由高頻電磁波輻射轉(zhuǎn)移方程導(dǎo)出了引起譜線寬度變化的偏微分方程，編寫fortran程序求解偏微分方程的數(shù)值解，具體計(jì)算了日冕綠線f _ exiv 5303和夫朗禾費(fèi)線3704 、矮新星oycarf _ eii 4923 . 9 、天琴rr型變星f _ ei 4934的譜線加寬值，對以上各譜線加寬中的等離子體致寬效應(yīng)作了初步計(jì)算。
2. It's difficult to find dwarf nova in a sentence. 用dwarf nova造句挺難的