NST:
2023-08-18
参考答案:
NST:Also called fetal acceleration test,is on the basis of fetal movement accompanied period fetal heart rate acceleration.through fetal heart rate change followed fetal movement,get the message of reserve capacity of fetal. Continuous record 20 minutes, at least three times fetal movement with fetal heart rate acceleration >15bpm,the duration >15 seconds; fetal movement and fetal heart rate acceleration less than that or fetal movement without fetal heart rate acceleration is unusual.
直线相关系数的假设检验,如果r>r0.001,34,α=0.05,可认为
2023-06-21 从业资格医药卫生
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2023-06-21 从业资格医药卫生
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2023-06-21 从业资格医药卫生
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2023-06-21 从业资格医药卫生
A.正态性检验B.方差齐性检验C.两独立样本比较的t检验D.u检验E.t检验
2023-06-21 从业资格医药卫生
A.正态性检验B.方差齐性检验C.两独立样本比较的t检验D.u检验E.t检验
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