| 1. | Suppose the speakers both emit a pure sinusoidal sound wave of constant frequency .
假定两个扬声器都发射恒定频率的纯正弦声波。 |
| 2. | Specification for a . c . generators for aircraft - constant frequency
飞机交流发电机规范.恒定频率 |
| 3. | Cvcf constant voltage and constant frequency
恒压与恒频 |
| 4. | Packaging - transport packages - sinusoidal vibration test method at constant frequency
正弦定频振动试验方法 |
| 5. | Constant voltage constant frequency - cvcf
恒压恒频 |
| 6. | On binary - ended forward converter with constant frequency zero voltage transition
恒频零电压转换双端正激变换器研究 |
| 7. | Variable speed constant frequency
变速恒频 |
| 8. | Constant frequency coil
稳频线圈 |
| 9. | Closed - loop control of matrix converter used for variable speed constant frequency supply system
矩阵变换器在永磁交流伺服系统中的应用研究 |
| 10. | Specification for a . c . motors for aircraft - three - phase constant frequency squirrel - cage induction motors
飞机交流电机规范.三相恒频鼠笼式感应电机 |
