คำแปล ความหมาย ของ "beta" ที่ค้นพบ

About today's packed-lunch, the menus prepared by Itsuki and Tanaka are low in beta-carotene-rich vegetables again aren't they?

What Microsoft is launching is a beta version of its "NetShow streaming server"; it supplies video and audio on demand.

In dog ethology the leader is called 'alpha'; after that it continues with 'beta' and 'gamma'.