The introduction of the automatic steering of ships was a problem of stability rather than of accuracy.
船舶自动转向的引入是一个稳定性问题,而非准确性问题。
数学不是观赏性运动,你必须参与其中才能理解。
头脑可以断言任何事情,并假装已经证明了它。
The fact is that women have more freedom and opportunity in America today than ever before.
未来最成功的社会将是那些能够结合国家和市场优势的社会。