diagnostic function

例句：

1. 1. The diagnostic functionof the machine is to detect and diagnosefaults in the system.
   这台机器的诊断功能是检测和诊断系统中的故障。
2. 2. The diagnostic function of the software helpsus identify and fix problems quickly.
   软件的诊断功能帮助我们快速识别并解决问题。
3. 3. The diagnosticfunction of the medical device can help doctorsmake accurate diagnoses.
   医疗设备的诊断功能可以帮助医生做出准确的诊断。