单词	钻煤机
释义	钻煤机coal drill
随便看	fourier`s equation fourier series fourier series analysis fourier series expansion syntheisis of array fourier series expansion synthesis of fourier series synthesis fourier sine series fourier's inversion formula fourier's law fourier spectroscopy fourier spectrum fourier's series fourier`s series fourier's theorem fourier`s theorem fourier-stieltjes transform fourier-stieltjes变换 fourier synthesis fourier theorem fourier theory fourier transform fourier-transform fourier transformation fourier transform centering fourier transform diagonalization property