For above problems, the key research of this paper is to develop a kind of special stone-casting machinery for Yellow River, hydraulic stone-casting machinery.
针对上述问题，作者论文工作的重点是研究开发了一种黄河专用抛石机—YP-A型液压自动抛石机。
参考来源 - 黄河专用新型液压自动抛石机设计与试验研究Trebuchet had deep affect on Chinese ancient military history and technology history.
抛石机在我国古代军事史与技术史上都产生了深远影响。
参考来源 - 中国古代抛石机研究Trebuchet had deep affect on Chinese ancient military history and technology history.
抛石机在我国古代军事史与技术史上都产生了深远影响。
参考来源 - 中国古代抛石机研究·2,447,543篇论文数据，部分数据来源于NoteExpress
抛石机是我国古代一种远程重型战具，应用于攻击防守战中。
The trebuchet is a long distance heavy offensive and defensive weapon in the ancient China.
从静态和动态两方面对抛石机的稳定性进行评价，以保证整机作业和运行的安全。
The stability analysis of static and dynamic state of the whole mechanism is conducted to estimate the equipment, which can ensure the safe and stability of operation of the equipment.
在这些人中，还有特选的七百精兵，能左右开弓，个个能用机弦抛石，毫厘不爽。
Among them were seven hundred valiant men, all left-handed and able to sling a stone at a hair's breadth without missing.
应用推荐