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【简答题】
三个非线性系统的非线性环节一样,线性部分分别如下: 试问:当用描述函数法分析时,哪个系统分析的准确度最高并说明理由。
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参考答案:
举一反三
【简答题】“Find a job you love, and you’ll never work a day in your life.” Do you agree with this old saying? Joanne Gordon does. She is the author of Be Happy at work and other books about careers(职业). Gordon ...
【单选题】The song __________was created by a funny Korean singer.
A.
that we sang along with it
B.
which we sang along
C.
we sang along with
D.
we sang along
【简答题】一、填空题 1 、1929年3月在南京召开第三次全国代表大会上,会上议决通过了 教育宗旨和实施原则。 2、抗战期间,国民政府实施以“ ”为核心的抗战教育政策,客观上维持了教育的连续性 3. 国民政府建立后,根据蔡元培的建议,仿照法国教育行政制度模式,中央设 ,地方试行 。 4、 ...
【单选题】听力原文:M: Jessica, is that you? Of all the places to run into each other. I can't believe that it's happening here in the pharmacy. W: Theodore! It's been such a long time since I last saw you. M: What ...
A.
At a drug store.
B.
At a university.
C.
On the street.
D.
In an airplane.
【单选题】—Peter knows much French. —________. [     ]
A.
So do I
B.
Neither do I
C.
Neither I do
D.
So I do
【单选题】教育人员法的核心是()
A.
教师资格条例实施方法
B.
教师资格条例
C.
教师法
D.
中华人民共和国学位条例
【单选题】--Who sang the song better, Tom or John? --I think Tom sang just ____ John
A.
as good as                 
B.
as well as         
C.
more careful than
【判断题】I. Sang is living together with her mother at the home of a friend in New York.
A.
正确
B.
错误
【单选题】磁场中任一电放一个小的载流试验线圈可以确定该点的磁感应强度,其大小等于放在该点处试验线圈所受的___和线圈的___的比值。()
A.
磁矩,磁力距
B.
磁力距,磁矩
C.
最大磁力距,磁矩
D.
磁矩,最大磁力距
【单选题】We can depend on the young man to do anything for us, for he is very _____. [     ]
A.
reliable
B.
believable
C.
comfortable
D.
stubborn
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