问题
问答题 简答题
简述进气歧管绝对压力传感器（MAP）的作用和分类？
答案
参考答案：
作用：间接测量空气流量的传感器。检测进气歧管的真空度，并将压力信号转变成电子信号输送给发动机控制电脑，作为控制喷油脉冲宽度和点火正时的主要参考信号。分类：目前运行的汽车中，按信号产生原理，进气歧管压力传感器主要包括半导体压敏电阻式、电容式、膜盒传动的可变电感式和表面弹性波式。
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简述进气歧管绝对压力传感器（MAP）的作用和分类？
参考答案：
作用：间接测量空气流量的传感器。检测进气歧管的真空度，并将压力信号转变成电子信号输送给发动机控制电脑，作为控制喷油脉冲宽度和点火正时的主要参考信号。分类：目前运行的汽车中，按信号产生原理，进气歧管压力传感器主要包括半导体压敏电阻式、电容式、膜盒传动的可变电感式和表面弹性波式。
How many of us can really ever thank our mothers for what they do for us? I am now 40 years old, so it's been a lot of years that I've had my mom's loving and direction behind me pushing me gently when I need it. When I was ill, mom would take care of me . When I had a terrible dream, she would never me for stealing into her bed. When I graduated from college, she took in me as I walked across that stage. When life would get me down, she would tell me that ,it's always dark the down ,She's always been my greatest keeping-me up when life tried to defeat me. She never told me that anything was impossible or that I set my goals too high. With a gentle guiding hand she got me back on the right:, if I faltered (摇晃) . A thank you will never be enough for the kindness and love she has shown to us over the years. My mom _ more than flowers, candy or other gifts. There isn't a gift in the world that could ever my thanks for everything she has done for me over the years.
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