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2、
本文从声表面波在声栅上的Bragg衍射的偏转角公式和偏转效率公式出发，分析了偏转声束的发散角δθ1与声栅有关参数的关系。
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On the angular spread of the deflected surface acoustic wave beam diffracted by Bragg grating
声表面波在Bragg声栅上衍射的偏转声束的发散角
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- 相关词组
- brick beam钢筋砖过梁;
- arched beam拱副梁，拱形梁，拱形辕杆;
- beam to beam connection梁间结合;
- a beam of一束束
- beam vibrator震动梁式振捣器;
- beam with overhangs悬臂梁;
- broad flanged beam宽缘梁;
- beam up放大油嘴;
- beam grillage梁格栅;
- beam to column connection梁柱接合;
- beam hangers梁托;
- beam forms梁模板;
- armed beam加强梁;
- beam steel梁钢筋;
- beam to beam moment connection梁间刚性结合;
- beam sides梁侧面;
- beam flanges out of square梁翼歪斜;
- a beam of light一束光;
- beam grid梁格栅;
- beam on elastic foundation弹性地基梁;
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- adventure n.冒险活动;冒险经历;奇遇;
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