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【单选题】
( )具有调节流量与稳定流量的作用。A.
调速阀
B.
节流阀
C.
定差减压阀
D.
顺序阀
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皮皮学刷刷变学霸
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【简答题】tympanic thermometer
【简答题】tympanic membrane
【单选题】A tympanic thermometer is used to _______
A.
Take a patient's temperature in the ear
B.
Take a patient's temperature in the mouth
C.
Take a patient's pulse
【简答题】Tegmen tympanic
【简答题】什么是中断?什么是中断源?51单片机一共有几个中断源?
【单选题】All of the following are features of the medial wall of the tympanic cavity EXCEPT the
A.
Fenestra vestibuli
B.
Prominence of the lateral semicircular canal
C.
Prominence of the facial nerve
D.
Pyramidal eminence
E.
Tympanic plexus
【单选题】perforation of the tympanic membrane will induce
A.
conduction deafness
B.
nerve deafness
C.
hearing loss for high-frequency sound
D.
hearing loss for low-frequency sound
E.
no hearing loss
【单选题】MCS-51单片机共有5个中断入口地址,在同一时间里,当5个中断源同时发出中断请求后,程序计数器PC的内容是( )
A.
0003H
B.
000BH
C.
0013H
D.
001BH
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