信息技术课是一门操作性、实用性很强的课程，开展活动教学尤为重要。
It is particularly important to develop the learning activity in the information technology course which is a discipline with high operability and practicability.
物理诊断学是一门操作性和实践性都很强的课程。
Physical diagnostics is a highly operative and practical course.
操作叙述：描述由电气化门用五金控制的门操作。
Operation Narrative: Describe the operation of doors controlled by electrified door hardware.
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