This paper studies the numeral divisibility characteristic of round number, and solves the problem in theory about the divisibility characteristic of any round number.
The reverse side of the Olympic note features the ancient Greek marble statue of a discus-thrower, Discobolus, portraits of athletes and the numerals "2008".
The dial shall be made of copper aluminum alloy, inalterable black numerals and graduation on white background. The manufacture of same will be to applicable standards.
Its main function is formbuilding and distincting ,and it can be the phrase tail of noun,adjective,verb,numeral etc. , constitute some new phrase languages or give the phrase language the new meaning.