The Purpose for This Check

When the check for seeing a sneaked opponent is being done, observer's field of view is reduced (for the purpose of checking this one opponent) by 50%, 40%, 20% and 0% depending on the look direction.

当发现有潜行对手时，观察者的视野会减少（当前的潜行对手会影响视线）。减少范围是50%，40%，20%，0%，取决于目前的观察者视线方向。

This paper explains the necessity of automatic error check in bibliography data, and introduces a system developed for this purpose.

简述了书目数据自动检错的必要性，介绍了研制的通用型数据检错纠错系统。

There will be Gatorade Sport Drink at the finish line and at the kayak check point for those in the Eco Adventure, but please try to remember the purpose of this event.

大会在终点和独木舟检查点会提供佳得乐运动饮品给环保历险参赛者，但请紧记时次活动之目的。