Two modes of communication, one is PPI master - slave protocol, one is free port protocol.

通讯方式主要有两种：PPI主从通讯、自由口模式通讯。

youdao

" Nasal spray port property prices high, the income from how can never overtake, and become a "floor ant", "mortgage slave", true suffer badly.

喷鼻港楼价高企，普罗群众的收入怎也追不上，而成为“楼蚁”、“房奴”，真实叫苦连天。

youdao

With the RS232 serial port, the different kinds master slave system of AC converters can communicate with PC under the USS protocol.

多类型变频器通过RS2 32串行口通讯，在USS通讯协议下，就可以与工控机联网。

youdao

But if you need a slave representing your business, and you live in Rome and you need somebody in Ostia, the port city of Rome, to be able to be there and watch your imports and your exports of your business, you need someone who can sign contracts, who can lend money, who can borrow money, who can do things like that.

如果你需要一名奴隶代理你的生意，如果你住在罗马，需要有人，在罗马奥斯蒂亚港口,照看你的进出口生意，就得要能签合同，可以放债贷款，及其他类似事务的人。

耶鲁公开课 - 新约课程节选