基于随机理论, 提出了解决网络收敛性问题的随机优选法.Based on the random theory, a random optimal method is brought forward.有效优选法的新机器比旧的便宜.Our efficient new machines are cheaper than old ones.优选法为生产和科研寻找最优方案提供了捷径.The optimum seeking the shortest ...
他把铁锹插到地里，开始卖力地干了起来。He sank the spade into the ground, and went at it.在花园里挖土的最好工具是铁锹.The best implement for digging a garden is a spade.这铁锹不中用, 我去换一把吧.This spade is no good. I'll go and get another one....
They may go hiking around the island, or swimming in the ocean.他们可以绕岛健行或在海洋里游泳.I think I'll pass on the hiking next time.我想远足的事下次再说吧。World - class skiing, mountain climbing, mountain hiking and white - water rafting...