Two points on the near and far vision when you are climbing much point in front of about six or seven meters, 10 meters range.
爬坡时眼光放在远近两点，远点在前方约六、七米、十米不等。
Two points on the near and far vision when you are climbing much point in front of about six or seven meters, 10 meters range.
爬坡时眼光放在远近两点，远点在前方约六、七米、十米不等。
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