Turn on and cut function details: The table shows the turn on and cut situations as pointer moves deasil, and the function is opposite while the pointer moves widdershins.
中描述
关功
是
示:仪
指针位于最小刻度值
所具有
关功
,即
指针从最小刻度值
始顺
针动
关状态,当
指针逆
针转动
,实现
关功
相反。