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- Precession and nutation of top and gyrosscope is discussed by elementary method,equations of motion are solved using simplified models, and an elementary analysis is made. 用初等方法讨论了陀螺与陀螺仪的进动及章动,用简化模型求解了运动方程,并给出了它们的初等分析。
- The Earth Dynamical Flattening and Its Relation to Precession and Nutation 地球动力学扁率及其与岁差章动的关系
- Deduction from Moment of Precession and Nutation Considering High Step Tidal Generating Potential of Solar and Luner 顾及日月高阶引潮力位的岁差章动力矩的推导
- precession and nutation 岁差和章动
- Its values, determined from different kinds of observations and models are reviewed.Moreover, its relation to precession and its effect on nutation computation are discussed. 介绍了由不同的观测方法和模型给出的地球动力学扁率值,并讨论了它与岁差的关系和对章动计 算的影响。
- The results indicat that the reaction mechanism is a complicated precess and reaction products contain alkanolamide, alkanolamide ester. 研究结果表明,该反应是一个复杂的反应,既可生成酰胺单酯和双酯,又可生成醇胺单酯和双酯。
- Precess and present situation of spandex were discussed.Development forecast and market of spandex were analysed.some suggestions on developing spandex were taken. 本文介绍了氨纶的国内外生产技术发展趋势和市场前景,提出了在我国发展的建议。
- I hit him fair and square on the jaw. 我不偏不倚打中他的下巴。
- It is a fact of life and you must face it. 这是严酷的现实,你必须面对它。
- (1)The precessional and nutational modes are easily distinguished in Fg. 3, so estimates can be made of their frequency and damping. 进动和章动波型在图3中极易分清,因而就可以测算出他们各自的频率和阻尼。
- She and I can't live under the same roof. 她和我不能住在一起。
- She had to scrimp and save to pay for her holiday. 她不得不为付假期的费用而苦苦攒钱。
- I'll try and rustle you up something to eat. 我设法给你弄点吃的。
- He sprang up and rushed to the door. 他跳起身,跑到门口。
- It confirmed the best dyeing condition.It studied the mordant dyeing precess and conditions with SnCl2 and confirmed the best way.It compared the fastness of the fabrics dyed with different mordants. 并以氯化亚锡为媒染剂进行染色方法和媒染条件的探讨,确定出茜草染亚麻织物的最佳媒染方法和媒染工艺,并对不同媒染剂染色后的结果进行了测定,比较了不同媒染剂的染色效果。
- He took sick and died a week later. 他得了病,一周后就死去了。
- He's been in and out of prison for years. 他多年来屡次进出监狱。
- The air in the garden was warm and fragrant. 花园里的空气一片温馨。
- The child was tired and fretful. 那孩子又疲倦又烦躁不安。
- Routine office work is my bread and butter. 日常的办公室工作是我的谋生之道。