当数据库连接失败时，会输出连接错误消息。

If the database connection fails, the connection error message may be output.

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图2为一个Sourcing数字输出连接了一个Sinking数字输入。

Figure 2 shows a sourcing digital output that is connected to a sinking digital input.

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如果在测试套件执行期间遇到错误，则输出连接到测试套件报告的链接。

If the error is encountered during the execution of a test suite, a link to the test suite report is printed.

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What if you could take just a pump that's capable of continuously administering insulin at various rates and connect it to a sensor that's able to continuously measure the sugar level in your blood?

如果我们安装一个泵,能够持续的动态控制胰岛素输出,并把这个泵连接到一个,持续监测体内血糖水平的变化的传感器上

耶鲁公开课 - 生物医学工程探索课程节选