V形或箭头交通标志表示左方或右方有急转弯。
The chevron or arrow road sign indicates a sharp bend to the left or right.
类似地，州和国家边界可以用多边形表示。
Similarly, state and county boundaries can be represented with polygons.
如果圆圈内有两个三角形，表示能够换向。
If in the circle has two triangles, indicated that can commutate.
表示军阶和服役的v形袖章。
形参表示一个值，过程希望您在调用它时传递该值。
Aparameter represents a value that the procedure expects you to pass when you call it.
形参表示一个值，过程希望您在调用它时传递该值。
Aparameter represents a value that the procedure expects you to pass when you call it.
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