| 释义 |
li·bra·tion 英laɪˈbreɪʃən美laɪˈbreʃənAHDlī-brāʹshən COCA⁹¹³¹⁰BNC¹⁴⁴⁶⁶⁴⁺³iWeb⁵⁹²⁸⁶
基本英英搭配记法例句
n.天平动¹⁰⁰形容词librational
Noun:
astronomy a real or apparent slow oscillation of a moon or satellite;the libration of the moon apparent libration视天平动
librat-ion行为|动作|状态⇒n.天平动 First carry on the self libration analysis to the bridge, use spatial four nodes elastic shell element SHELL63 and spatial two nodes elastic beam element BEAM44 to model the bridge.
首先对大桥进行自振特性分析，分别采用空间四节点弹性壳单元 SHELL63和空间二节点弹性梁单元 BEAM44单元进行建模。 cnki |