... Pression of the Equinoxes二分点岁差 Primary Directions一级推进 Prime Meridian本初子午圈 ...
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primary directions
主要的方向
以上为机器翻译结果，长、整句建议使用 人工翻译 。
The primary function is to offer directions using the GPS. The LEDs tell you which way to head with simple green arrow animations and alert you to upcoming turns by flashing a red exclamation point.
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