由于光电负阻器件具有双稳和自锁特性，这种非线性光耦合器具有响应保持功能。
With the bistability and self locking of the silicon photo negative resistance devices, these non linear photoisolators exhibit response maintaining function for the input signal.
顶部瓣功能封一个标签，“LRL”浮雕双弹簧行动在前面的盾锁保护。
Top flap features a tab closure that secures with a "LRL"-embossed double spring-action shield lock at the front.
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