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【单选题】
在一定观测条件下偶然误差的绝对值不超过一定限度是指
A.
允许误差
B.
相对误差
C.
绝对误差
D.
平均中误差
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参考答案:
举一反三
【判断题】腹壁紧张度最常见于腹部肿块所引起。
A.
正确
B.
错误
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【简答题】One of _________(amazing) genetic applications in medicine is gene therapy.
查看完整题目与答案
【单选题】For revolution speed regulating, a ______ can give stepless speed regulation.
A.
governor
B.
frequency converter
C.
speed regulator
D.
frequency meter
查看完整题目与答案
【单选题】For revolution speed regulating, a frequency convertor can ______.
A.
give stepless speed regulation
B.
give step speed regulation
C.
give direction control
D.
give direction control and step speed regulation
查看完整题目与答案
【判断题】Because of the electric motor's torque and high RPM abilities, most BEVs use a single speed, 9.7:1 ratio gearbox ( the motor spins 9.7x for every 1 tire revolution ), so the vehicles never "shift gear...
A.
正确
B.
错误
查看完整题目与答案
【单选题】培养基配制室中,用于称量微量元素的天平通常为( )。
A.
托盘天平
B.
台秤
C.
感量为百分之一的电子天平
D.
感量为万分之一的电子天平
查看完整题目与答案
【判断题】The usual therapy for cancer treatment is gene therapy.
A.
正确
B.
错误
查看完整题目与答案
【判断题】现代轿车转向器一般采用蜗杆滚轮式。
A.
正确
B.
错误
查看完整题目与答案
【简答题】fu nction 1 object 2 duty 3 ceremony 4 faith 5 positive 6 private 7 easy 8 successful 填入答案序号()()()()
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【单选题】What is Gene Drive?
A.
A genetic experiment on sheep.
B.
A chunk of DNA to permanently change an entire species incredibly fast.
C.
A genetic way to eliminate the brown fruit flies.
D.
A new method to make brown fruit flies produce nothing.
查看完整题目与答案
相关题目:
【判断题】腹壁紧张度最常见于腹部肿块所引起。
A.
正确
B.
错误
查看完整题目与答案
【简答题】One of _________(amazing) genetic applications in medicine is gene therapy.
查看完整题目与答案
【单选题】For revolution speed regulating, a ______ can give stepless speed regulation.
A.
governor
B.
frequency converter
C.
speed regulator
D.
frequency meter
查看完整题目与答案
【单选题】For revolution speed regulating, a frequency convertor can ______.
A.
give stepless speed regulation
B.
give step speed regulation
C.
give direction control
D.
give direction control and step speed regulation
查看完整题目与答案
【判断题】Because of the electric motor's torque and high RPM abilities, most BEVs use a single speed, 9.7:1 ratio gearbox ( the motor spins 9.7x for every 1 tire revolution ), so the vehicles never "shift gear...
A.
正确
B.
错误
查看完整题目与答案
【单选题】培养基配制室中,用于称量微量元素的天平通常为( )。
A.
托盘天平
B.
台秤
C.
感量为百分之一的电子天平
D.
感量为万分之一的电子天平
查看完整题目与答案
【判断题】The usual therapy for cancer treatment is gene therapy.
A.
正确
B.
错误
查看完整题目与答案
【判断题】现代轿车转向器一般采用蜗杆滚轮式。
A.
正确
B.
错误
查看完整题目与答案
【简答题】fu nction 1 object 2 duty 3 ceremony 4 faith 5 positive 6 private 7 easy 8 successful 填入答案序号()()()()
查看完整题目与答案
【单选题】What is Gene Drive?
A.
A genetic experiment on sheep.
B.
A chunk of DNA to permanently change an entire species incredibly fast.
C.
A genetic way to eliminate the brown fruit flies.
D.
A new method to make brown fruit flies produce nothing.
查看完整题目与答案
参考解析:
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