An optimization calculation of interleaver made of cascade Mach - Zehnder fiber interferometer with square wave is forward.提出了一种具有方波形输出谱的级联马赫-曾德尔光纤干涉仪型梳状滤波器的优化计算方法.The implementation of the scheme including the structure...
他几乎能感觉到她在电话那端皱眉蹙额。He almost felt her wincing at the other end of the telephone.“嘘！”森尼皱眉蹙额地说。"Shh!" Sunny winced.闻到这令人作呕的气味,他皱眉蹙额.He screwed up his face at the nasty smell....