We have made a system of optically-recording induction magnetometer of 81-type, for micropulsation observations along Eastern Coast of China.
为了记录短周期地磁脉动，我们研制了81型照相记录感应式地磁脉动观测系统。
Introduces a plan for making the automobile ignition system common chips of magnetic induction type and hall type, and the design of functional circuit and chip original circuit.
介绍了磁感应型和霍尔型两种汽车点火系统通用芯片的实现方案、功能电路和芯片原始电路的设计。它为解决汽车电子点火芯片的国产化、通用化起到重要作用。
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