The flame retardant modification of polycarbonate (PC) with methyl-phenyl silicone resin is studied.

采用苯基甲基硅树脂对聚碳酸酯(PC)进行阻燃改性。

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Use the procedure modification PC the high a word to makes it combined with P1 to realize to pick up 8 LEDS display and combines to realize to the port of P3 to connect to the keyboard matrix.

用程序修改PC高位字节使之与P1口组合实现对多位8段LED显示器的接口，并对P3端口组合实现对键盘矩阵的接口。

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Increasing PC to sensor node parameter modification function according to actual needs.

根据实际需要，增加了上位机对传感器节点参数的修改功能。

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