皮皮学，免费搜题
登录
搜题
【简答题】
根据自动控制系统是否设有反馈环节来分类,控制系统可分为____控制系统、____控制系统。
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【单选题】---The fire was finally ____. Unluckily, 11 people lost their lives in Puning Fire on March 26th. --- I hope the accident like this ____ happen.
A.
put out, not to happen
B.
put down, not happen
C.
put down, won’t happen
D.
put out, won’t happen
【单选题】Ninety-six people lost their lives in a plane crash on April 10 th , 2010, _________the Polish president and his wife.
A.
except
B.
beyond
C.
between
D.
including
【单选题】Some people were born with an unfailing sense of direction. Even when lost in a forest, they find their way home as surely as a dog picks up the scent of a hunted man. The secret is probably that they...
A.
like
B.
as
C.
unlike
D.
alike
【简答题】有一高增益的放大器,现加入了电压串联负反馈,已知反馈系数为 F = 0.1 ,则可估算其电压增益约为 。
【简答题】由于人员推销是一个推进商品交换的过程，所以买卖双方建立友谊、密切关系是公共关系而不是推销活动要考虑的内容。( )
【简答题】Fifty years ago, wealthy people liked hunting?Fifty years ago, wealthy people liked hunting wild animals for fun ____________ sightseeing. A) rather than to go B) more than going C) other t...
【简答题】装饰画的起源可以追潮到 的装饰性纹样。
相关题目：
参考解析：
知识点：
题目纠错 0
发布
