时距平面法对于复杂观测系统很难表示清楚。
参考答案：对
________ the cost, the project will take a lot of time as well.[ ]
A. Far from
B. Except for
C. In addition
D. Apart from
A．势能逐渐增大，动能逐渐减小
B．势能逐渐增大，动能逐渐增大
C．势能逐渐减小，动能逐渐减小
D．势能逐渐减小，动能逐渐增大
