，beta

1.希腊字母第二字 [B,β]

2.第二位的东西

3.【天】β星

1.describes software ready for beta tests

2.describes electrons formed by the splitting of a neutron into a proton and an electron

3.describes the second nearest atom to a particular atom or group of atoms in an organic molecule

4.describes a minor form of a chemical element with more than one form

5.describes a structural form of a chemical compound having more than one form

1.the second brightest star in a constellation

2.the second letter of the Greek alphabet, represented in English as "b"

3.a measure of how volatile the price of a security is, compared to the overall market

4.a letter such as 'B' used as a grade for good, but not excellent, academic work