Nowadays, almost every explorer and mountain climber uses the Global Positional System to make their journeys safer.

现在，几乎每个探险家和登山者都使用全球定位系统以确保旅行安全。

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It's a difficult problem how the positional color code tracking system of robot recognizes color target robustly and quickly.

在机器人的位置色标检测系统中，如何提高颜色识别的鲁棒性是一个比较难解决的问题。

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Later translations of his books also gave us the decimal positional number system we use today.

随后这位作者的其他著作的翻译本给我们带来了直到今天还在使用的十进制计数法。

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