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【单选题】
直流电动机用于动力设备的最大特点是（），调速方便、平稳。A.
转矩大
B.
转速高
C.
功率大
D.
使用方便
拍照语音搜题，微信中搜索"皮皮学"使用
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】which task should you perform before you use the APIC-EM Path Trace tool to perform ACL analysis?
A.
Verify that DNS is configured on the controller
B.
Configure the IP address from which to generate the trace
C.
Verify that the device of interest are included in the device inventory
D.
Execute a standard traceroute to the destination
【简答题】通过视频教程,你学会了 个花型的折叠。
【单选题】M2000V2服务器侧的Trace文件保存在（）。
A.
/export/home/omc/var
B.
/export/home/omc/var/logs
C.
/export/home/omc/var/log
D.
/export/home/omc/var/trace
【简答题】存放刀具半径补偿值的地址用( )表示
【简答题】(1)一列波长为λ的平面简谐波沿x轴正方向传 播,已知在x=λ/2处振动的方程为 y=Acos ωt,则该平面简谐波的方程 为 。 (2) 如果在上述波的波线上x=L(L>λ/2)处放一如图所示的反射面,且假设反射波的振 幅为A’,则 反射波的方程为 (x≤L) 。
【单选题】听力原文：M: There are several reasons why careful analysis of financial statements is necessary. What are they? W: First, financial statements are general-purpose statements. Secondly, the relationships b...
A.
The methods of financial statements.
B.
The necessity of careful analysis of financial statements
C.
The relationship among financial statements.
D.
The purpose of financial statements.
【单选题】一列平面简谐波沿x轴的正向传播，波长为l，波速为u，若在x=0处质点的振动方程为y=Acoswt，则该平面简谐波的波动方程为
A.
y=Acoswt
B.
y=Acosw(t+x/u)
C.
y=Acosw(t-x/u)
D.
无法判断
【简答题】存放刀具半径补偿值的地址用( )表示,存放刀具长度补偿值的地址用( )表示
【判断题】Analysis of the comments, photos, videos, audio, and other stimuli posted voluntarily by consumers on their social media sites are traces of their behaviors. An analysis of these constitutes a form of...
A.
正确
B.
错误
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