graphic expression

• 图示

graphic expression的用法和样例：

例句

1. The graphic presentations related to Correlation, Covariance, and Filtering of Signal Waveform and Spectrum.
   讯号波形及频谱之滤波与关联及关联变异，其相关图示之意义。
2. The exact expression is obtained by integration method for a tightly wound rectangular solenoid of finite length, the result is plotted and discussed.
   通过直接积分得到了有限长密绕矩形螺线管自感系数的精确表达式，并对结果进行了图示和讨论。