4. 蒲松比μ的定義為何?
(A) \( \left| \frac{\text{側向應變}}{\text{軸向應變}} \right| \)
(B) \( \left| \frac{\text{側向應力}}{\text{軸向應力}} \right| \)
(C) \( \left| \frac{\text{軸向應變}}{\text{側向應變}} \right| \)
(D) \( \left| \frac{\text{軸向應力}}{\text{側向應力}} \right| \)
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統計: A(58), B(0), C(8), D(1), E(0) #2057196
統計: A(58), B(0), C(8), D(1), E(0) #2057196