optical libration [天] 光学天平动
libration period 天平动周期
libration in latitude [天] 纬天平动 ; 纬秤动
libration in longitude [天] 经天平动
true libration [天] 真天平动
apparent libration [天] 视天平动
parallactic libration [天] 视差天平动
In succession, the author educed movement differential equation of reed valve plate from differential element of the plate according to theory of elastic plate libration.
接着本文根据弹性薄板振动理论,由薄板的微元体导出簧片阀阀片的运动微分方程。
参考来源 - EQ1141G型汽车空压机簧片阀工作特性的研究In this paper, based on researchful demand for one type satellite antenna, go deep into studying on deployable dynamics and flexible-distorted control, which would give well technical base to libration and stable expandedness during the outspread process of HTDA.
本文依据某在研卫星天线研制工作的需要,针对环形可展天线进行了展开动力学分析与展开过程智能控制研究,为减小天线展开过程中的振动和平稳展开提供了技术支撑。
参考来源 - 环形可展开天线展开动力学分析及智能控制研究·2,447,543篇论文数据,部分数据来源于NoteExpress
"the libration of the moon"
以上来源于: WordNet
N the act or an instance of oscillating 摆动
Software for low energy trajectory design of libration point missions is developed.
研制了具有自主知识产权的平动点任务节能轨道设计软件。
Especially, the author researches the coupling libration of water and dam detailedly.
特别对库水与坝体耦合振动问题进行了详细的阐述。
In this dissertation, low energy trajectory design and optimization for collinear libration point missions is studied.
本文对共线平动点任务节能轨道设计与优化进行了研究。
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