1650年到1800年这段时间见证了一些设计合理、技术先进的水轮的诞生。
The period from about 1650 until 1800 saw some excellent scientific and technical investigations of different designs.
1400年之后不久，造船工人开始开发一种新型的船，这种船设计合理，可以在开阔的水面上航行：它就是卡拉维尔号。
Shortly after 1400, shipbuilders began developing a new type of vessel properly designed to operate in rough, open water: the caravel.
我们还必需了解和纸质表格相比应用程序是否容易使用并且设计合理。
We'd also have to see how easy-to-use and well-designed the app is versus the paper form.
应用推荐