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    如图所示系统总的传递函数G(s)=C(s)/R(s)00a0应为(00a000a000a000a000a000a000a000a0)。http://image.zhihuishu.com/zhs/onlineexam/ueditor/201907/97d401da1e3e42389a91ebfd698b64cf.png
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