对于λ<λ0的压杆,若按欧拉公式计算,可得出其临界应力δcr()。
A、≥δp
B、>δp
C、>δs
参考答案:B
What is sometimes referred to as global illiteracies ?()
A.The ability to read reports written in many different language
B.The ability to succeed in a cross cultural environmen
C.The ability to develop intenationally accepted contract
D.The ability to communicate using drawings and pictograms which are understood all over the worl
太阴病,腹满而吐,食不下,自利益甚,宜用()
A.桂枝汤
B.桂枝人参汤
C.麻黄汤
D.理中汤
E.四逆汤