利用耦合模理论分析了在双锥光纤耦合区中声光的相互作用，讨论了在不同耦合区半径下扰动周期与声波频率的关系。
The acoustooptic interaction in biconical optical fiber was analyzed based on coupled mode theory, and the relationship between perturbation period and flexural wave frequency was discussed.
本文采用新的区调填图理论和方法，详细划分了双王地区的泥盆纪地层，论述了岩相古地理特征。
The strata in Devonian period of Shuangwang area was divided in detail, going by new mapping theory and method of the regional geological survey.
本文采用新的区调填图理论和方法，详细划分了双王地区的泥盆纪地层，论述了岩相古地理特征。
The strata in Devonian period of Shuangwang area was divided in detail, going by new mapping theory and method of the regional geological survey.
本文采用新的区调填图理论和方法，详细划分了双王地区的泥盆纪地层，论述了岩相古地理特征。
The strata in Devonian period of Shuangwang area was divided in detail, going by new mapping theory and method of the regional geological survey.
应用推荐