他没有受到那些声光的影响，好象某些力量在保护他免受伤害。

He is not affected by the sound or light, as if some agency has taken care to protect him from their effects.

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分析了掺杂铌酸锂晶体的扇形噪声光的形成机制，讨论了信号光与扇形噪声光之间的光放大竞争问题。

The light amplification mechanism of fanning noise in doped lithium niobate crystals was analyzed and the light amplification competition between the signal beam and the fanning noise was discussed.

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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.

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