There is no statistically classdifference in the fear of negative evaluation, communication apprehension, test anxiety, the other anxiety and total anxiety.
在负评价焦虑、交流焦虑、考试焦虑、其他焦虑和总焦虑上无显著的班级差异。
2
The difference between Class E and A airspace is that in Class A, all operations are IFR, and pilots must be instrument-rated, that is, skilled and licensed in aircraft instrumentation.
E 级和 A 级空域的区别在于，在 A 级空域，所有操作都需遵照仪表飞行规则，飞行员必须要有仪表等级，也就是说，要有操作航空仪表方面的技术和执照。
3
The example model shows the difference between the stereotyped association and the stereotyped association class.