以下为句子列表：
英文: A chirp grating is placed inside a multimode interference (MMI) structure to shorten the device length and increase wavelength tolerance.
中文: 爲了缩短组件长度并增加波长变动容忍度，我们在多模干涉结构里面旋转一个周期渐变光栅。
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英文: A cricket an inch long has a chirp that is audible for nearly a mile.
中文: 一英寸长的蟋蟀发出的唧唧声在将近一英里远的地方都能听见。
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英文: Abstract: Temporal properties of the second-ordre process with a Chirped incident pulse are theoretically calculated.The chirp influences the irradiance and the pulse shape of the second harmonic wave with large phase mismatch.The phase distortion of all
中文: 文摘:讨论了在大相位失谐下,基波为频率啁啾脉冲的二次谐波产生过程,结果表明选取合适的啁啾参量可以使二次谐波的光强提高,但同时会使其波形和相位发生变化.三波相位的畸变主要取决于入射的基波啁啾脉冲,而与相位匹配的失谐量关系不大.
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英文: Birds had begun to chirp among the trees.
中文: 鸟儿们已经开始在树林里叽叽喳喳地叫了。
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英文: An Extended Chirp Scaling Algorithm for Airborne Squint SAR Processing
中文: 一种适于机载前斜视SAR成象处理的Chirp Scaling算法
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