问题
多项选择题
雷达所探测到的任一目标的空间位置可根据（）求得。
A.仰角
B.方位角
C.目标距雷达的倾斜距离
D.径向速度
答案
参考答案：A, B, C
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雷达所探测到的任一目标的空间位置可根据（）求得。
A.仰角
B.方位角
C.目标距雷达的倾斜距离
D.径向速度
参考答案：A, B, C
| 选用表格内的单词，用其正确形式填空。 | |
Restaurant 1. have to know how to make food. They also have to know how to make money. Here are some things they've learned from 2. studies. The color red makes people 3. . Red also makes customers eat faster. Many fast food restaurants, therefore, have red furniture or walls. Soft colors like pink and light blue make people 4. , so they spend more time 5. their meals. Soft lighting makes people look good, but it makes food look bad. Loud music may be nice 6. first, but it soon makes people want 7. . Hard seats also make customers want to eat quickly and leave. Many restaurants, 8. fast food restaurants, use this knowledge to make customers eat 9. . Customers only sit for about 20 minutes before they leave. Because customers don't stay very long, small restaurants can 10. many people every day. |