【单选题】A research team intend to collect data via online questionnaires, the research method seems to be ( ).
A.
Qualitative research on first-hand data
B.
Qualitative research on second-hand data
C.
Quantitative study of first-hand data
D.
Quantitative study of second-hand data
【简答题】根据国家制订的《建筑统一模数制》,我国采用的基本模数M=____mm。
【多选题】In a research,data are always collected for the following purposes:
A.
To formulate research questions
C.
Answer research questions
D.
To decide research methods
【简答题】海明码结构为 海明码结构为I4 I3 I2 P3 I1 P2 P1 ,假设接收到的海明码最多有一位错误,当接收到的海明码为 1101101 时,若采用偶校验原则,则其接收到的正确的信息I4 I3 I2 I1 为( )
【判断题】根据国家制订的《建筑统一模数制》,我国采用的基本模数M=300mm。
【单选题】Data originated by the researcher specifically to address the research problem are called ________.
【单选题】假设最多发生一位错,用海明码来发现并纠正1位错、信息位为8位,则校验位的位数为()
【简答题】连词成句。 1. play, you, the, would, piano, to, like (?) _______________________________________________ 2. I, to, watch, always, like, TV, Sunday, on (.) _______________________________________________
【简答题】海明码结构为 海明码结构为I4 I3 I2 P3 I1 P2 P1 ,假设接收到的海明码最多有一位错误,当接收到的海明码为 1111111 时,若采用奇校验原则,则其接收到的正确的信息I4 I3 I2 I1 为( )
【单选题】...a research plan,which become a guide for collecting data,analyzing data...对research plan做解释的是