From a rhetorical point of view, which kind of sentences do the following sentence belong to?We observe today not a victory of party but a celebration of freedom, symbolizing an end as well as a beginning, signifying renewal as well as change.
【单选题】RC 正弦波振荡电路如图 所示,其中运放选用 741 ,工作电源为 ± 12V , D1 、 D2 选用 1N4148 ,其他参数改为: R 1=15k W , R 2=10k W , R =5.1k W , C =0.033μF , R p 为 100k W 的可调电阻。如果用 SPICE 分析来观察输出电压波形由小到大的起振和稳定到某一幅度的全过程,应该采用什么类型的仿真?