The coupled differential equations of the dimensionless beam width parameters of two optical beams are solved.

求解了两光束无量纲束宽参量的耦合微分方程。

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Let the spindle system of a kind of plane grinding machine be simplified to a structure of coupled double-elastic beam and using modality synthetic method to establish its dynamic model.

将一类平面磨床主轴系统简化为耦合双弹性梁结构，用模态综合法建立其动力学模型。

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Each outer beam is mechanically coupled to an inner beam by way of an interconnecting member.

每个外层束机械耦合的一种内在的光束通过互相联系的成员的方式。

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