频闪观测图意味着，运用一个快门，开，关。
And a stroboscopic picture means that you are using a shutter which opens and closes.
清码：两手指同时按着新遥控开锁，关锁，当指示灯快闪时松开一个手指，另一个手指继续按着。
Qing Code: two fingers simultaneously pressing the new remote unlock, lock, when the lights flash, release a finger, another finger to continue pressing.
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