| 1. | Pulse frequency modulation control system
脉冲调频控制系统 |
| 2. | Pulse frequency modulation magnetic tape record type strong - motion instrument
脉冲调频式磁带记录强震仪 |
| 3. | Pulse frequency modulation pfm
脉冲频率调制 |
| 4. | Pfm pulse frequency modulation
脉冲频率调制 |
| 5. | Pl pulse frequency modulation
脉冲频率调制 |
| 6. | Pulse frequency modulation
脉冲频率灯 |
| 7. | The variations of distortion coefficient of ultrasonic pulse frequency spectra at defective zone in concrete
超声频谱畸变系数在混凝土缺陷区的变化 |
| 8. | Empty affect refers to the frequency at empty electrical motors from lock - in normal circumstances to activate the pulse frequency
空载牵入频率是指步进电机在空载情况下能够从锁定状态正常启动的脉冲频率。 |
| 9. | Empty sum frequency is entered in the normal functioning of the electrical pulse frequency gradually rise to the highest frequency step electrical bad step
空载牵出频率是指步进电机在正常运转情况逐渐升高脉冲频率使步进电机不失步的最高频率。 |
| 10. | The maximum 50500 photo counts per second with 76mhz pump pulse frequency is detected . the probability to be single - photon state of every count is better than 99 % 5
在抽运光脉冲重复频率为76mhz的情况下，得到了每秒50500次的下转换光子记数，其中单光子概率大干99 。 |
