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一、录象机磁带录旬机有下列3种A)固定磁头型B)旋扫描型C)磁头型固定磁头型录象机不实用。家庭用,工业用录象机都是■旋扫描型使用1/2寸(12.7m/m)
First, tape recorders tape recorders have the following three kinds of A) fixed head B) Rotary Scan C) head fixed head VCR is not practical. Household, industrial video recorders are all ■ rotary scan using 1/2 inch (12.7m / m)