常見例句雙語例句In addition, a significance test for the change of the etching rating after magnetic treatment was performed.并在此基礎(chǔ)上，對試樣在磁處理前后的腐蝕速率差異值進行了統(tǒng)計意義上的顯著性檢驗。The velocity and sound pressure value of ultrasonic beam in the material will change with temperature. It was of important significance to know the temperature effect on ultrasonic test parameters.隨著溫度的變化，材料中超聲波的聲速、聲壓值會發(fā)生變化，掌握溫度對超聲波參數(shù)的影響，對高溫狀態(tài)下超聲波檢測具有重要意義。 返回 significance test of change