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(2) Provisions on the Administration of Doctors and Pharmacists in Medical Security Agreements;When the coil is energized, the iron core attracts the armature and the support plate to move down, and the contact points are turned on or off instantly. The piston rod and the lever slowly decrease due to the influence of the blocking nylon. After a certain period of time, the piston rod decreases to a certain position, and the delayed action contact is pushed by the lever to act, which is in an open state, while the moving contact is closed. The delay time of the relay is the time when the coil is energized until the delay contact completes its action. When the coil is powered off, the relay is restored by the recovery action of the spring.可是郑少爷，小人对这个……这个……他想了想，才一拍脑门道。汪直安慰笑道，再者，汪东城最大的命门掌握在我们所有人手里。9-3 User: Create a class named User, which contains the attributes first_name and last_name, as well as several other attributes that the user profile usually stores. Define a method named describe_user () in the class User, which prints a summary of user information; Then define a method called greet_user (), which sends personalized greetings to users.香料千余斤。再言及南雀公主临去之时，放言不肯善罢甘休，哀嚎声就变成了怒吼声，数万人在老将军灵前发誓，要踏平南雀国，杀光南蛮子。