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【简答题】
在 图中,曲线 1 和 2 分别为电动机和负载的机械特性,试判断哪些是系统的稳定平衡点?哪些不是?
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反馈参考答案：
举一反三
【单选题】What is Mr. Scott in his company?
A.
He works as a manager.
B.
He works as an assistant.
C.
He works as a consultant.
【多选题】下列哪个因素会引起汽油发动机燃油喷射系统运行时燃油压力过低?( )
A.
燃油泵油管连接松动
B.
燃油泵压力调节器出故障
C.
燃油泵止回阀泄漏
D.
燃油泵入口有阻塞
【单选题】Although he is considered as a great writer, ( ) .
A.
his works are not widely read
B.
but his works are not widely read
C.
however his works are not widely read
D.
still his works are not widely read
【单选题】Although he is considered a great writer, __________. [ ]
A.
his works are not widely read
B.
but his woks are not widely read
C.
however, his works are not widely read
D.
still his works are widely read
【单选题】Not until one of his works was published_________to gain his confidence in writing. [ ]
A.
he was able
B.
was he able
C.
he had been able
D.
had he been able
【简答题】我国采用的国家大地坐标系主要包括1954年北京坐标系、1980西安坐标系和 国家大地坐标系。
【简答题】What was his third job? He works as ______ in a park.
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