弹性模量
参考答案:
是单位应变所需应力的大小,是材料刚度的表征。模量越大越不易变形
—Thank you for your wonderful meal
—______.
A.No, it was just so-so
B.The same to you
C.No, that’s all right
D.It’s my pleasure
舌背部数目最多的是
A.味蕾B.丝状 * * C.菌状 * * D.轮廓 * * E.叶状 * *