Abstract: This application discloses a notification display method and an electronic device, and relates to the field of terminal technologies. The method includes: An electronic device may receive notification information delivered by a first application, and output different display content based on the notification information and different types of display screens. Display screen types may include an AOD screen, a lock screen, a drop-down screen, a desktop screen, an immersive application screen, and the like. In addition, the electronic device may display a card including the notification information on a desktop screen. A user may further process notification content based on the card. The notification display method can help the user quickly view the notification content, thereby improving efficiency of dealing with the notification information by the user.

Abstract: The present invention discloses a type of energy-absorbing rock bolt device with umbrella-shaped structure, which consists of a body of bolt, and one end of the said body of bolt is equipped with a preloaded system, as well as the other end of the said body of bolt is equipped with the first support system, in addition, the said body of bolt is equipped with several second support systems, and the said second support system is located between the said preloaded system and the said first support system; meanwhile, the said second support system consists of the first umbrella-shaped support system and the second umbrella support system.

Abstract: The present invention discloses a type of energy-absorbing rock bolt device with umbrella-shaped structure, which consists of a body of bolt, and one end of the said body of bolt is equipped with a preloaded system, as well as the other end of the said body of bolt is equipped with the first support system, in addition, the said body of bolt is equipped with several second support systems, and the said second support system is located between the said preloaded system and the said first support system; meanwhile, the said second support system consists of the first umbrella-shaped support system and the second umbrella support system.