| 1. | They fired the signal agreed upon . 他们按照以前约定的信号,放了一枪。 |
| 2. | The signal will suspend the microprocessor . 这个信号将使微处理机浮动。 |
| 3. | The rest of the signals are straightforward . 其余信号端则是一目了然的。 |
| 4. | The signals are transmitted to the observation center . 信号被送往观测中心。 |
| 5. | This is the signal instance . 这就是一个明显的例证。 |
| 6. | The signal for assistance was five shots in quick succession . 求援的暗号就是连发五枪。 |
| 7. | The signal is at danger . (前面)有危险信号。 |
| 8. | The signal consists of surges of electrons or electric current . 该信号是由电涌即电流所组成。 |
| 9. | The indication given by a signal is known as the signal aspect . 信号所发出的灯色,称为信号方式。 |
| 10. | The appearance of any plane was the signal to dismount and scatter . 一经发现飞机,就得下车疏散。 |