| 1. | Successive positions of the wave front are then given by the envelopes of the secondary waves .
因此波前的相继位置即为次波的包络面。 |
| 2. | An automatic generating method for enveloping surface with objectarx
实现包络面的自动生成 |
| 3. | A practical software based on kbe for rendering wheel hop into enveloping surface
方法绘制车轮跳动包络面的实用软件 |
| 4. | Conical envelope surface
锥形包络面 |
| 5. | Measurement of airborne noise emitted by machines ; enveloping surface method , hydraulic pumps
机器空气噪声的测量.包络面法.液压泵 |
| 6. | Measurement of airborne noise emitted by machines ; enveloping surface method , construction equipment
机器空气噪声的测量.包络面法.建筑设备 |
| 7. | Measurement of airborne noise emitted by machines ; enveloping surface method ; motion picture cameras
机器空气噪声的测量.包络面法.电影摄影机 |
| 8. | Measurement of noise emitted by machines ; airborne noise emission ; enveloping surface method ; chimneys
机器空气噪声的测量.空气噪声传播.包络面法.烟囱 |
| 9. | Measurement of noise emitted by machines ; airborne noise emission ; enveloping surface method ; flares
机器空气噪声的测量.空气噪声传播.包络面法.照明弹 |
| 10. | Measurement of noise emitted by machines ; airborne noise measurement , enveloping surface method ; valves
机器空气噪声的测量.空气噪声测量.包络面法.阀门 |
