It can either be clockwise or counter clockwise.
可以是顺时针也可以是逆时针。
When in a situation where you have to pass food or condiments to others at the table, pass it to your right, or counter clockwise. Never do a "boarding house reach" across the table.
当你要把食物或配料传给餐桌上其他人时，从右边或左边传过去，不要越过餐桌传过去。
The example in Listing 4 creates 10 random quadrilaterals where the points must be in clockwise or counter-clockwise order.
清单4内的示例创建了10个随机的四边形其中这些点必须是顺时针或逆时针顺序。
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