零传输电平点ZTLP ？

Zero Transmission Level Point?

youdao

一旦查出问题后，调制解调器需要重新连接和测试，来验证正常的传输电平。

Once the problem is fixed, the modem is reconnected and tested to verify normal transmit levels.

youdao

USB的电气特性反映了端口驱动电路、传输电平、编码结构、位同步处理及供电方式。

The USB electrical specifications describe the port driver circuit, electrical level of data transmission, code structure, bit synchronization and power distribution.

youdao