AA system is usually used for catering parties, tourism and other occasions. * * * * * The same consumption, the same checkout fee, because two or more parties have consumption but settle accounts together, eliminating the need for individuals or some people to treat, and the consumption is divided equally.
Extended data "AA" is the abbreviation of "Algebraic Average".
Average reading? English [? v？ r？ d？ ] beauty [? v？ r？ d？ ]?
1, adj average; Typical; Normal; Ordinary; Ordinary; common
2, n. average; Average level; general level
3, v. The average value is; Calculate the average value of.
Usage of words:
1, the basic meaning of average is "average", which can mean "average" in arithmetic and can also be used for general things; Extension can refer to "ordinary, average", which means average level, neither excellent nor inferior.
Average is only used as a prepositional attribute when doing the "average" solution, and is not used for comparing scores.
3. When average is used as an "ordinary" or "general" solution, the singular form of the noun behind it is more common than the plural form. If the noun behind it is singular, you can use the or an before it.
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