- 搜标题
- 搜题干
- 搜选项
单项选择题
Which is the logical conclusion for the following premises：
Which is the logical conclusion for the following premises：
All students in this university live on campus
Jack is a student in this university
A．Jack lives on campus
B．Jack is in this university
B．Jack is in this university
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问答题
用单片机控制步进电机的启停、正反转、速度。具体要求：
用单片机控制步进电机的启停、正反转、速度。具体要求：
系统启动后电机慢速正转5圈；停止5s后再慢速反转5圈；停止5S
后再快速正转5圈；停止5s后再快速反转5圈，然后停机。
答案：
#define uchar unsigned char
#define uint unsigned int
#define uint unsigned int
