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Mobile phone or personal digital assistant security system allows operating system switch on only for set interval after input of code?keyword=Mobile phone or personal digital assistant security system allows operating system switch on only for set interval after input of code?keyword=Mobile phone or personal digital assistant security system allows operating system switch on only for set interval after input of code?keyword=Mobile phone or personal digital assistant security system allows operating system switch on only for set interval after input of code?keyword=Mobile phone or personal digital assistant security system allows operating system switch on only for set interval after input of code?keyword=Mobile phone or personal digital assistant security system allows operating system switch on only for set interval after input of code?keyword=Mobile phone or personal digital assistant security system allows operating system switch on only for set interval after input of code?keyword=Mobile phone or personal digital assistant security system allows operating system switch on only for set interval after input of code 专利,更快更准确