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9.2. 2 Positive hepatitis B surface antigen is qualified.2. If radar equipment is equipped and usable, it shall be used correctly, including long-distance scanning, in order to obtain early warning of collision risks, and radar plotting or equivalent systematic observation of detected objects.Of course, there must be a car, which will be sent on the night of Mid-Autumn Festival, but it must take some time.When it comes to the recent waves of DDoS attacks, the ability to identify attacks and quickly organize threat responses has become a key factor in determining the outcome of the accident. By doing these two things, enterprises can keep their services available continuously. If it fails, the service will only be forced to go offline.Turn on/off HUD H H-A4.1. 1 Collection of medical history.The function of the intermediary mode is to remove the coupling relationship between objects. After adding an intermediary object, all related objects communicate through the intermediary object instead of referencing each other. Therefore, when an object sends a change, only the intermediary object needs to be notified. Intermediaries loosely couple objects and can independently change their interaction.