现在很清楚,杂种形成的种子具有两个分化性状中的一个或另一个,其中一半再次发育成杂种形式,而另一半产生保持恒定并以相等数量接收显性或隐性性状的植物。
海洋养育了数百万人,我们有责任确保它能为子孙后代继续这样做。
The exploration of computational complexity is a journey into the unknown, where each discovery opens new doors.
I’ll do whatever it takes to win games, whether it’s sitting on a bench waving a towel, handing a cup of water to a teammate, or hitting the game-winning shot.
The most important object of both the workmen and the management should be the training and development of each individual in the establishment, so that he can do (at his fastest pace and with the maximum of efficiency) the highest class of work for which his natural abilities fit him.