graphic expression的用法和樣例：
例句
- The graphic presentations related to Correlation, Covariance, and Filtering of Signal Waveform and Spectrum.
訊號波形及頻譜之濾波與關(guān)聯(lián)及關(guān)聯(lián)變異，其相關(guān)圖示之意義。 - The exact expression is obtained by integration method for a tightly wound rectangular solenoid of finite length, the result is plotted and discussed.
通過(guò)直接積分得到了有限長(cháng)密繞矩形螺線(xiàn)管自感系數的精確表達式，并對結果進(jìn)行了圖示和討論。
