其中IC卡是卡片家庭中出现最晚，但却是最有前途的一种，最终它将取代现在广泛使用的光电卡、条码卡、磁卡的地位而成为主流。
Tough IC card appears late, it has the best prospects. IC card will become the mainstream by superseding the cards using widely now, such as photoelectricity card, bar code card and magcard.
卡纳卡公司说，塑料光电板可以吸收“各种波长”的太阳光，这种光电板可以安装在垂直的墙面上。
Plastic PV, say the company, can absorb sunlight from "all sorts of ranges" allowing it to be installed onto vertical walls.
通过I/O数据采集卡收集外部霍尔元件、光电传感器及编码器提供的信息。
The system used the I/O data collection card to collect the signal of Hole component, photoelectric sensor and coder.
选用方块码做为光电信息卡；
选用方块码做为光电信息卡；
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