n. quadrupole ; quadripole
Directional emission of light guided by quadrupolar-shaped quantum cascademicrocavity lasers solves the difficulty about the directional emission ofsymmetrical microcavity lasers. In this thesis, quadrupolar-shaped quantum cascademicrocavity lasrs and several related lasers are introduced in brief.
四极子量子级联微腔激光器带来的光的方向性激射，解决了对称型微腔激光器光的方向性激射的困难。
参考来源 - 四极子量子级联微腔激光器理论研究和工艺制作·2,447,543篇论文数据，部分数据来源于NoteExpress
利用相对论变换关系计算了沿轴线方向匀速运动的线性电四极子的电磁场。
The electromagnetic field of a linear electric quadrupole moving uniformly along the axis of the quadrupole has been calculated with the relativistic transformation relation.
四极子量子级联微腔激光器带来的光的方向性激射，解决了对称型微腔激光器光的方向性激射的困难。
Directional emission of light guided by quadrupolar-shaped quantum cascade microcavity lasers solves the difficulty about the directional emission of symmetrical microcavity lasers.
实验结果表明，在不同组合和激励条件下，圆弧阵具有声波测井的单极子、偶极子和四极子声源的辐射特征。
The results show that the annular array in different combination and excitation condition has radiation characteristics of monopole, dipole and quadrupole of acoustic logging.
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