pressure fields的用法和樣例：
例句
- This paper mainly introduces the calibration method of piezoelectricity pressure sensors in the pressure field testing.
介紹壓力場測試中所採用的壓電壓力感測器的標定方法。 - Calculation of pressure and velocity is very important for the simulation of mold filling of castings.
摘要鑄造充型過程數值模擬計算中，速度場和壓力場的求解非常重要。
