Channel cutoff of the lower reaches of the Yellow River constitutes one of the greatest environmental problems in China.
黄河下游断流是我国最大的环境问题之一。
The paper reports the hybrid optical bistable device made of cutoff single mode- channel waveguide modulator in a X-cut Y-propagating LiNbO_8 substrate and nonlinear electric feedback.
本文报导了由质子交换工艺在铌酸锂衬底上制作的单模条波导截止调制器和非线性电反馈组成的混合光学双稳态器件。
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