Readback voltage of perpendicular recording for high track density with ring-type head is theoretically calculated, and rcadback noise is analysed.
本文从理论上对高道密度垂直磁记录环形头读出电压进行了计算，并对道间串扰进行了分析。
The invention relates to a projection-type head lamp capable of reinforcing light in a dark space, which comprises a lamp holder, an illuminating part, a shading plate and a light guide plate.
一种可补强暗区光线的投射式头灯，包含：一灯座、一发光件、一遮光板，以及一导光板。
The invention relates to a projection-type head lamp capable of reinforcing light in a dark space, which comprises a lamp holder, an illuminating part, a shading plate and a light guide plate.
一种可补强暗区光线的投射式头灯，包含：一灯座、一发光件、一遮光板，以及一导光板。
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