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【简答题】
轴力背离截面取正号,为( )力;轴力指向截面取负号,为( )力。
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皮皮学刷刷变学霸
举一反三
【单选题】—— ______ you got to know I traveled to the USA? ——Through one of your colleagues.
A.
Where it was that
B.
When it was that
C.
How was it that
D.
Why was it that
【单选题】Which of the following is NOT included in G. Leech s seven types of meaning?
A.
Connotative meaning.
B.
Denotative meaning.
C.
Conceptual meaning.
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