In the most common implementations ( such as in Adobe Illustrator), they are special lines that a user may place as references to be used when positioning objects.
其中的准向是一些特殊的线,使用者可以作为参考在放置对象时调整位置。
If you wish to draw more than creating full pictures, Adobe Illustrator may be the choice for you.
如果你想多创造充分汲取图片坯体插画可为您选择。
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