all-electric signalling

例句：

1. 1.The all-electric vehicle is a new mode of transportation that uses electricity to power its motors.
   全电动车辆是一种使用电力为其电动机提供动力的新型交通工具。
2. 2.In the all-electric signalling system, data is transmitted wirelessly without the need for wires.
   在全电信号传输系统中，数据可以通过无线方式传输，而无需使用线缆。
3. 3. The all-electric signalling technology has greatly improved the efficiency and speed of data transmission.
   全电信号传输技术大大提高了数据传输的效率和速度。