Your computer is a cosmic ray detector. Literally.
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（四）强行冲闯公安机关设置的警戒带、警戒区或者检查点的。
Before you share your location, you'll get to choose how long you want to share -- one hour, today only (ending at midnight), until you turn it off, or for a custom time period less than 24 hours. You can also stop sharing at any time.