level paedogeuesis breed

Breeding of a very early ripening hybrid corn of Yandan 21;

极早熟玉米单交种延单21号的选育

Breeding and Applying of New Earliest-maturity Waxy Maize Variety Kenian No.1;

极早熟糯玉米新品种克粘1号的选育及应用

After giving the basic description of the very early universe, the author point out that the space-time topology and the inflation are the two most important problems in the research of the very early universe and then do some remarks on the inflation + cold and dark matter model—the most popular cosmological model nowadays.

在对极早期宇宙作了一般性描述的基础上,指出暴涨和时空拓扑是极早期宇宙研究的两大课题并着重评析了现今最流行的暴涨+冷暗物质宇宙模型。