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【单选题】
通常,音视频的编码过程为()A.
数字信号 → 模拟信号
B.
编码 → 采样 → 量化 → 编码
C.
模拟信号 → 采样 → 量化 → 编码
D.
模拟信号 → 数字信号
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举一反三
【简答题】在曲柄摇杆机构中，若以摇杆为主动件，最小传动角发生的位置在曲柄与 共线位置。
【单选题】Five other planets ______.
A.
always appear near the path of the sun
B.
are moving in a way more complicated than the earth does
C.
aren't moving around the sun as independently as the earth does
D.
are moving around the san at the same speed as the earth does
【单选题】All the other five planets______.
A.
always appear near the path of the sun
B.
are moving in a way more complicated than the earth does
C.
aren’t moving around the sun as independently as the earth does
D.
are moving around the sun at the same speed as the earth does
【多选题】第二节 七选五(共 5 题,每题 2 分,共 10 分) 1. 根据短文内容 , 从短文后的选项中选出能填入空白处的最佳选项 , 选项中有两项为多余选项。 Self-care activities can help you cope with stress and improve overall well-being. 1 ______. Normally, a good deal of prac...
A.
Eat healthy foods
B.
Have your meal regularly
C.
Practicing self-care is especially important
D.
Schedule time-off from your responsibilities
E.
Schedule regular appointments with your doctor
F.
However, people are practicing self-care everyday
G.
Choose activities that are fun and interesting for you
【简答题】a. moving around in a circle 循环的;环形的
【简答题】在曲柄摇杆机构中，若以摇杆为主动件，最小传动角发生的位置在 位置。
【简答题】在曲柄摇杆机构中,最小传动角发生的位置在 。
【单选题】A He doesn't want to be his own boss. B. He hates getting outside. C. He dislikes moving around. D. He doesn't like to stay in the office.
A.
A He doesn't want to be his own boss.
B.
He hates getting outside.
C.
He dislikes moving around.
D.
He doesn't like to stay in the office.
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