【单选题】采样就是从被检测的总体物料中取得有( )的分析试样的过程。
【简答题】Please rearrange the letters to a new word. comprise make up constitute form
【简答题】Please rearrange the order for the following English letters to make them into a right word you've learned in this unit. o i m r f n
【简答题】Please rearrange the order for the following English letters to make them into a right word you've learned in this unit. a a t n c v
【简答题】Please rearrange the order for the following English letters to make them into a right word you've learned in this unit. e i i u n s c
【简答题】Please rearrange the sentences mentioned in the practice section of the microlecture video into a logical order and underline the transition signal.