计算机控制点火系统是根据传感器调整点火正时而不是使用机械提前机构。
参考答案：对
The growing speed of a plant is influenced by a number of factors, ____ beyond our control.[ ]
A. most of them
B. most of which
C. most of that
D. most of what
矢量数据叠加的作用。
