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【单选题】
用示波器检查点火波形,发现各缸均出现火花线电压过低,说明故障可能在( )。A.
火花塞间隙较大
B.
火花塞间隙较小
C.
混合气较稀
D.
混合气较浓
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举一反三
【单选题】在相同的条件下，传感器对同一被测量进行多次连续测量所得结果的不一致程度较大，说明该传感器的( )
A.
灵敏度较差
B.
稳定性较差
C.
重复性较差
D.
测量量程较小
【简答题】在相同工作条件下,对同一被测量进行了多次连续测量,所得结果的分散范围较小。这表明所选用传感器的 _______ 较好。
【单选题】Have you ever considered what an important part work plays in our general lifestyle? For most of us, our jobs are the main things that motivate and direct us, and around which we organize our lives. P...
A.
Work plays an important part in our general lifestyle.
B.
People are divided into social classes according to how much they earn each month.
C.
It is very possible that game will replace work as the most important part in our life.
D.
Game players know how to get the most fun and enjoyment out of our leisure time.
【简答题】在相同条件小对同一被测量进行连续多次测量,其测量误差的大小为无规律变化的误差称为()
【简答题】Work is the grand cure of all the maladies and miseries that ever beset mankind.
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