The robber pled that he was forced to do it.
抢匪辩称他是被迫去抢劫的。
Moreover, PLED has simple fabrication process and low cost, which shows a promising market with strong competition.
同时，PLED制作工艺简单、成本低，使其显示出了强大的竞争力和巨大的市场前景。
Compared to PLEDs composed of pure polymer or of blend active layers prepared by spin coating and vacuum spray methods, our PLED composed of gradient structure emitted brighter light.
本文中制备的具有梯度结构的聚合物发光器件发出光的强度，比用旋涂法和真空喷雾法所制备的单纯高分子发光器件和混合结构的高分子发光器件更高。
Compared to PLEDs composed of pure polymer or of blend active layers prepared by spin coating and vacuum spray methods, our PLED composed of gradient structure emitted brighter light.
本文中制备的具有梯度结构的聚合物发光器件发出光的强度，比用旋涂法和真空喷雾法所制备的单纯高分子发光器件和混合结构的高分子发光器件更高。
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