中国大学MOOC: 可以将例4.1中的两条语句：area=sqrt(p*(p-edge1)*(p-edge2)*(p-edge3));printf("area=%lf\n",area);合并为一条语句：printf("area=%lf\n",sqrt(p*(p-edge1)*(p-edge2)*(p-edge3)));同时删除area变量的定义。

Design a digital low-pass filter with a passband edge frequency of 1kHz, a stopband edge frequency of 1.5kHz and a sampling frequency of 8kHz. What are the corresponding normalized edge frequencies ωp and ωs? A: ωp=0.25π，ωs=0.375π B: ωp=0.125π，ωs=0.1875π C: ωp=0.25， ωs=0.375 D: ωp=0.125， ωs=0.1875

EDGE有（）种编码方。 A: 3 B: 6 C: 9 D: 12

According to the distribution of oil, gas and water, the water at the edge of containing edge is called (). A: External water B: Bottom water C: Edge water D: Edge bottom water

1 Match the pictures with the words below. ► towards 3 over __ the rear __ beside __ beneath __ onto __ the edge __ among __70cb721fb229fa771ccc43aca26e97de.png

",(p/3>0?p/10 : p%3));}

令A=(P 1 P 2 P 3 P 4 P 5 P 6),其中P 2 P 3 P 4 P 5为单位列向量,则( )一定是一个基。 A: P 1 P 2 P 3 P 4 B: P 2 P 3 P 4 P 5 C: P 3 P 4 P 5 P 6 D: P 2 P 3 P 4 P 6

为指针变量赋值,不正确的语句是 A: inta[3],*p;p=a; B: inta[3],*p;p=&a[0]; C: inta[3],*p;*p=a; D: inta[3],*p;p=a+1;

Cutting edge inclination angle is the angle included between major cutting edge and________. A: cutting edge plane B: reference plane C: major motion direction D: feed direction

The edge of the carpet was frayed into a ________.