For example:
1, registered in Hanzhong, Xi 'an, can't make an appointment for hpv vaccine in Hanzhong.
2. People with household registration in Xi 'an and other provinces and cities cannot make an appointment for hpv vaccine in Xi 'an.
3. The registered permanent residence is in other provinces and cities, but the person is not in the registered permanent residence. If you want to make an appointment for a local vaccine, you must make an appointment according to the requirements of the local CDC. You usually need an ID card, a local household registration or a residence permit, or a foreign household registration.
Positioning system is an interrelated aggregate or device (component) with the goal of determining spatial position. This system can ensure that at least four satellites can be observed at any point on the earth at any time, thus ensuring that satellites can collect the latitude, longitude and height of observation points and realize the functions of navigation, positioning and timing.