这些鞋更趋于天气和耐水性和略带严厉的，为更好地稳定了不平坦的地形。
These shoes tend to be more weather and water resistant and are slightly stiffer for better stability on uneven terrain.
根据陷波滤波器均衡法的原理，用光无源器件耦合器来修正掺铒光纤放大器增益谱线的不平坦，并探索出一种可以方便快捷地得到耦合器相关参数的方法。
Coupler is used to rectify EDFA's gain spectrum based on the principle of gain equalizing technology. A method was suggested to achieve the suitable parameters of the coupler.
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