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【简答题】
说明用模拟指针式万用表的电阻挡测量二极管正向电阻时,不同量程挡位下所测得正向电阻不同的原因?万用表所指电阻是二极管的何种电阻?
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举一反三
【单选题】In the 21 st century, all nations must take their ________of responsibility for the global safety.
A.
blame
B.
charge
C.
share
D.
notice
【单选题】The boxes must be stong enough to withstand transport __________ very bad roads
A.
along
B.
for
C.
in
D.
over
【单选题】Effective July st, all supply requests must be approved by a supervisor and ____in writing to the supply officer.
A.
advised
B.
submitted
C.
urged
D.
complied
【单选题】进位标志位Cy在( )中。
A.
累加器A
B.
算数逻辑运算部件ALU
C.
程序状态字寄存器PSW
D.
DPTR
【多选题】The information in the boxes of the SLI must contain(. )
A.
 shipper
B.
consignee
C.
notify party
D.
marks and numbers
【单选题】(L ) 变压器温度计所反映的温度是变压器的( ) 。
A.
上部温度;
B.
中部温度;
C.
下部温度;
D.
匝间温度。
【简答题】In the 21st century, all nations must take their ________of responsibility for the global safety. A.blame B.charge C.notice D.share
【单选题】The boxes must be strong enough to withstand transport __________ very bad roads.
A.
along
B.
for
C.
in
D.
over
【简答题】在正交平面内度量前角γo是_____与____的夹角。
【单选题】进位标志位Cy在( )中。
A.
累加器A
B.
算数逻辑运算部件ALU
C.
程序状态字寄存器PSW
D.
DPTR
E.
: C
F.
:单选题
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