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【单选题】
在相同观测条件下，对某量进行一系列的观测，如果观测误差的符号和大小不变，或按一定的规律变化，这种误差称为( )。A.
系统误差
B.
偶然误差
C.
绝对误差
D.
相对误差
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【简答题】The government and people of Haiti offer their best wishes for prosperity and success to people of Guyana,who have just attained political independence and been admitted to membership in the United Na...
【单选题】Using the diacritics provided by the IPA, ______ transcription captures as many aspects of a specific pronunciation as possible and makes very subtle distinctions between sounds.
A.
broad
B.
narrow
C.
phonetic
D.
conventional
【单选题】Please ______ my best wishes to your brother.
A.
convert
B.
convey
C.
transfer
D.
exchange
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