uni-directional

基本解释

Voltage suppressors come in uni or bi-directional types.
电压消除器分为单向和双向两种类型。
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In a uni-directional association, two classes are related, but only one class knows that the relationship exists.
在一个单向关联中，两个类是相关的，但是只有一个类知道这种联系的存在。
A uni-directional association is drawn as a solid line with an open arrowhead (not the closed arrowhead, or triangle, used to indicate inheritance) pointing to the known class.
一个单向的关联，表示为一条带有指向已知类的开放箭头（不关闭的箭头或三角形，用于标志继承）的实线。