简述刃性位错特征。
文化人”的基本假设有（）。 ["人是文化的产物","人性就是文化性","和人打交道就是和他所属的文化打交道","理解一个人也就意味着理解他所代表的文化"]
简述藏族民歌的思想内容和艺术特色。
对于气缸中心线与曲轴中心线相交的发动机，活塞行程等于曲柄半径的（） ["2倍","3倍","4倍","5倍"]
Which issue or set of issues does the Lightweight Access Point Protocol （LWAPP） address？（） [" reduction of processing in wireless controllers"," distributed approach to authentication， encryption， and policy enforcement"," provides security by blocking communication between access points and wireless clients"," access point discovery， information exchange， and configuratio"]
班级团体的特性是什么？
