In the 1890s, Lawrence Hargrave invented the box kite to test ideas about flight.
19世纪90年代，劳伦斯·哈格雷夫发明了盒子风筝来测试有关飞行的想法。
Although it dates from several hundred years after the building of the pyramids, its sophistication suggests that the Egyptians might have been developing ideas of flight for a long time.
尽管它的历史可以追溯到金字塔建造后的几百年，但它的复杂程度表明，埃及人可能很长一段时间以来一直在思考飞行的想法。
The Icarus team is on the hunt for the right combination of systems and ideas that will make a plausible case for interstellar flight using current and near future technologies.
伊卡洛斯团队正在探索将各种系统和概念进行最佳的组合，来构建一个使用现代技术或近未来技术进行星际飞行的实例。
Also hope that interested person to study general aviation airport flight program designers with a PBN ideas and inspiration.
也希望能为有兴趣研究通用航空机场的PBN飞行程序设计者提供一个思路和启发。
Design of an automatic test system for automatic flight control system (AFCS) is presented. The development of major hardware and the design ideas of test software are discussed.
介绍了一种自动飞控系统(AFCS)测试系统的设计和实现，对其中主要硬件的设计和上层测试软件的设计思想做了讨论。
Traditional ideas of flight delay in China were established in favor of the protection of civil aviation at the early stage. Consequently the defect is becoming obvious.
我国关于航班延误概念的主流观点立足于对初期民航业的倾斜保护，缺陷日益暴露。
Traditional ideas of flight delay in China were established in favor of the protection of civil aviation at the early stage. Consequently the defect is becoming obvious.
我国关于航班延误概念的主流观点立足于对初期民航业的倾斜保护，缺陷日益暴露。
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