对“瞬间”这一概念,是理解为时刻恰当还是理解为时间正确?在时间轴上,时刻用一个确定的点来表示,而时间是两个时刻之间的一段间隔,在时间轴上用一段确定的线段来表示.笔者认为,“瞬间”应理解为很短的一段时间.在习题解答中,由于对“瞬间”的误解而常常导致错解.例1　如图1所 Is the concept of “instantaneous” understood as correct or correct as time is correct? On the time axis, the moment is represented by a certain point, and time is the interval between two moments, used on the time axis. A certain segment of the line represents. The author believes that “instantaneous” should be understood as a short period of time. In the solution to the problem, due to the misunderstanding of “instant”, it often leads to misinterpretation. Example 1 As shown in Figure 1