basic density造句

例句与造句

1. In the numerical calculation , the unknown function is approximated by the product of basic density function and polynomials
   根据裂纹面上位移函数的分布特性，通过将位移间断函数表示为特征函数和一组多项式乘积的形式，为其建立了数值方法。
2. It's difficult to find basic density in a sentence. 用basic density造句挺难的