光栅显示系统的优点是刷新频率一定,与图形的复杂程度无关,但会产生走样。()
It can be inferred from the last paragraph that______.
A. the fed will not start to pull back from its quantitative easing in the near future
B. the stock price will rise for a few more months
C. recently economy grows at modest to moderate pace
D. interest rate will remain high though this year
非理想镜面反射中,镜面反射指数n模拟镜面反射光在空间中的汇聚程度,n越大,表面越粗糙(光滑)。()
关于拆模,下面各项中错误的是().
A﹒混凝土强度达到设计强度标准值75%以后方可拆模;
B﹒通常是先支的先拆,后支的后拆;
C﹒先拆非承重部分,后拆承重部分;
D﹒重大复杂的模板拆除,应按专门的制定的拆模方案进行;
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