| 翻译 | 详细 |
|---|---|
| 四端网络衰减量four terminal attenuation | 详细? |
| 四符号组tetrad | 详细? |
| 四级长途电话局quaternary trunk exchange | 详细? |
| 四线制增音器four wire repeater | 详细? |
| 四线制电路four wire circuit | 详细? |
| 四线的four wire | 详细? |
| 四芯的four core | 详细? |
| 四角形运动square motion | 详细? |
| 四路多工制quadruplex system | 详细? |
| 四路多工电报术quadruplex telegraphy | 详细? |
| 四进制信号quaternary signal | 详细? |
| 四量程的four range;fourrange | 详细? |
| 回冲程back stroke | 详细? |
| 回动值drop out value | 详细? |
| 回升水位back up water level | 详细? |
| 回叫信号call back signal | 详细? |
| 回声echo | 详细? |
| 回声室echo chamber | 详细? |
| 回声探测器echo sounder | 详细? |
| 回声衰减active return loss | 详细? |
| 回复作用return action | 详细? |
| 回复式减压阀water saving pressure regulator | 详细? |
| 回复系数recovery factor | 详细? |
| 回应信号back signal | 详细? |
| 回归水流return flow | 详细? |
| 回扫特性retrace characteristic | 详细? |
| 回授线圈tickler coil | 详细? |
| 回描变压器flyback transformer;kickback transformer | 详细? |
| 回描率flyback ratio | 详细? |
| 回收指令recovery command | 详细? |