single location and continuous tracking
... Built-in advanced GPS receiver内置先进的GPS接收机 Single location and continuous tracking单一位置和连续跟踪 Emergency 2-way calling ability紧急双向通话能力 ...
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single location and continuous tracking
单一定位和连续跟踪
以上为机器翻译结果，长、整句建议使用 人工翻译 。