有一个数据库、一台服务器和一个时钟。

There was one database, one server, and one clock.

youdao

数据和时钟线都是集电极开路的。

The Data and Clock lines are both open collector.

youdao

实时时钟提供测试数据时间标签，为非在线测试提供时间依据。

Real - time clock put forward a time testing tag for the out-line testing.

youdao

实时时钟提供测试数据时间标签，为非在线测试提供时间依据。

Real - time clock put forward a time testing tag for the out-line testing.

youdao