借助光栅原理，让屏幕发出的光只能从正面特定角度范围内看到，从而实现「大角度防窥」的效果：
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Heat sensors, often installed in kitchens to avoid false alarms if you simply happen to burn the toast, generally sound when temperatures climb above roughly 50C.，这一点在搜狗输入法2026中也有详细论述
Nepal is a young democracy. It became a republic in 2008, after a civil war that killed more than 17,000 people and lasted 10 years.