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【判断题】
二进制代码中 8421BCD 码、格雷码等都是有权码,而余 3 码、余 3 循环码等都是无权码。对吗?A.
正确
B.
错误
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【判断题】Additionally, there are two other types of vocational schools in Germany. The first one is the fulltime secondary vocational school. These schools do not charge any tuition fees either. The course at ...
A.
正确
B.
错误
【多选题】下列说法错误的有( )。
A.
自发过程的方向就是系统混乱度增加的方向
B.
相变过程的熵变可由ΔS=ΔH/T计算
C.
一切物质蒸发时，摩尔熵都增大
D.
当系统向环境传热时，系统的熵一定减小
【简答题】“It hurts me more than you”, and “This is for your own good”—these are the statements my mother used to make years ago when I had to learn Latin, clean my room, stay home and do homework. That was bef...
【简答题】Are two holidays not enough? Do you dream of three, or even four? (61)这不再是梦想! Last month, the State Council(国务院) encouraged primary and high schools to give students a spring or autumn break without c...
【判断题】Additionally, there are two other types of vocational schools in Germany. The first one is the fulltime secondary vocational school. These schools do not charge any tuition fees either. The course at ...
A.
正确
B.
错误
【简答题】“It hurts me more than you”, and “This is for your own good”—these are the statements my mother used to make years ago when I had to learn Latin, clean my room, stay home and do homework. That was bef...
【简答题】These schools do not ______
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