acoustic field prdiction的用法和样例：
- The principle of the car acceleration noise is discussed and the acoustic field model for underneath car cavity is derived.
- The trajectories of particle movements in a standing wave acoustic field are recorded by fast-speed video camera.
- Show reduced scale model can accurate reflection actual hall acoustic field over loud time.
- A method for measuring acoustic field of electromagnetic ultrasound is introduced.
- It is very important to pick out the qualified flakes by acoustic field measurement in equipment manufacture.