Columbus' accomplishment, once accepted, enabled mankind to use the existing skills of seacraft for vastly greater undertakings.

哥伦布业绩一旦被接受，就使人类能利用现有航海技术从事更事业。

With three thousand-ton-level ports, Binhai port is the second class open port and seacraft can directly sail to Dalian, Qindao and Shanghai.

拥有3座千吨级码头滨海港是国家二类开放，型海轮可直航连、青岛、上海。