I know you don't understand but you will just have to accept my opinion this time.
我知道,你或许不能理解,但这次你必须接受我的意见。
Instruments have been devised and can be so placed that all three elements can be recorded in different graphs.
已经设计出了一些仪器,它按照一定的安放方式就可测绘出这三种运动的曲线图。