悪意の利用者の対策も難しいが、切り忘れを支援する仕掛を作れないものか / found that as many as 30 percent of passengers said they had accidentally left a device on during takeoff or landing
New F.A.A. rules are expected to allow devices to be on at all times, but with communications off.Credit...Marty Katz for The New York Times The rules on when to turn off electronic devices on airp...
悪意の利用者の対策も難しいが、切り忘れを支援する仕掛を作れないものか / found that as many as 30 percent of passengers said they had accidentally left a device on during takeoff or landing
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