皮皮学,免费搜题
登录
搜题
【判断题】
熔熔体的外壳,用耐热绝缘材料制成,在熔体熔断时兼有灭弧作用。( )
A.
正确
B.
错误
拍照语音搜题,微信中搜索
"皮皮学"
使用
参考答案:
参考解析:
知识点:
皮皮学刷刷变学霸
举一反三
【单选题】not giving special favor or support to any one side.
A.
impartly
B.
impartial
C.
inpatial
D.
unfavorable
查看完整题目与答案
【单选题】某正弦电压的最大值为311V,周期为0.02s、初相为30°,则该正弦电压的表达式为
A.
Au=220sin(314t-30°)V
B.
Bu=220sin(314t+30°)V
C.
Cu=311sin(314t-30°)V
D.
Du=311sin(314t+30°)V
查看完整题目与答案
【单选题】Cullen征是?
A.
胸部大面积淤青
B.
双侧腰胁部皮肤呈暗灰蓝色
C.
脐周皮肤呈青紫色
D.
胆囊点压痛
E.
腹部叩诊浊音
查看完整题目与答案
【简答题】阅读理解。 After giving a talk at a high school, I was asked to pay a visit to a special student. An illness had kept the boy home, but he had expressed an interest in meeting me. I was told it would mean ...
查看完整题目与答案
【判断题】社会主义改造完成之后,党再也没有提到过非公有制成分可作为社会主义经济补充的问题。
A.
正确
B.
错误
查看完整题目与答案
【单选题】What is an advantage of an externally modulated laser over a directly modulated laser?()
A.
lower cost
B.
higher chirp
C.
easier to manufacture
D.
higher dispersion tolerance
E.
higher optical signal-to-noise ratio
查看完整题目与答案
【单选题】modulated wave
A.
调整波形
B.
调幅波
C.
振荡波
查看完整题目与答案
【单选题】三4( ) 接地面积大,爬坡能力大,通过性能好,转弯半径小。行走慢,对地面有破坏作用,多用于野外和工地上。
A.
钢带起重机
B.
汽车起重机
C.
轮胎起重机
D.
履带起重机
查看完整题目与答案
【单选题】Which of the following signals carries modulated signal information ( ).
A.
Carrier signal
B.
L ocal oscillator signal
C.
Modulated signal
D.
above are all wrong
查看完整题目与答案
【单选题】以下手动变速器的作用中不正确的是 。 ( )
A.
一定范围内任意改变传动比
B.
供空挡
C.
不改变曲轴旋转方向的情况下,使汽车能倒退
D.
以换挡以改变汽车的牵引力
查看完整题目与答案
相关题目:
【单选题】not giving special favor or support to any one side.
A.
impartly
B.
impartial
C.
inpatial
D.
unfavorable
查看完整题目与答案
【单选题】某正弦电压的最大值为311V,周期为0.02s、初相为30°,则该正弦电压的表达式为
A.
Au=220sin(314t-30°)V
B.
Bu=220sin(314t+30°)V
C.
Cu=311sin(314t-30°)V
D.
Du=311sin(314t+30°)V
查看完整题目与答案
【单选题】Cullen征是?
A.
胸部大面积淤青
B.
双侧腰胁部皮肤呈暗灰蓝色
C.
脐周皮肤呈青紫色
D.
胆囊点压痛
E.
腹部叩诊浊音
查看完整题目与答案
【简答题】阅读理解。 After giving a talk at a high school, I was asked to pay a visit to a special student. An illness had kept the boy home, but he had expressed an interest in meeting me. I was told it would mean ...
查看完整题目与答案
【判断题】社会主义改造完成之后,党再也没有提到过非公有制成分可作为社会主义经济补充的问题。
A.
正确
B.
错误
查看完整题目与答案
【单选题】What is an advantage of an externally modulated laser over a directly modulated laser?()
A.
lower cost
B.
higher chirp
C.
easier to manufacture
D.
higher dispersion tolerance
E.
higher optical signal-to-noise ratio
查看完整题目与答案
【单选题】modulated wave
A.
调整波形
B.
调幅波
C.
振荡波
查看完整题目与答案
【单选题】三4( ) 接地面积大,爬坡能力大,通过性能好,转弯半径小。行走慢,对地面有破坏作用,多用于野外和工地上。
A.
钢带起重机
B.
汽车起重机
C.
轮胎起重机
D.
履带起重机
查看完整题目与答案
【单选题】Which of the following signals carries modulated signal information ( ).
A.
Carrier signal
B.
L ocal oscillator signal
C.
Modulated signal
D.
above are all wrong
查看完整题目与答案
【单选题】以下手动变速器的作用中不正确的是 。 ( )
A.
一定范围内任意改变传动比
B.
供空挡
C.
不改变曲轴旋转方向的情况下,使汽车能倒退
D.
以换挡以改变汽车的牵引力
查看完整题目与答案