border element

基本解释

Perennial Herb; Flower Border; Element Of Landscape; Design;
宿根花卉；花境；景观要素；设计；
An administrative domain exposes itself to other administrative domains through a type of logical element known as a border element.
管理域通过被称为边界元的一类逻辑单元使其自身展示在其他管理域的面前。
On sequence diagrams incoming and outgoing messages (a.k.a. interactions) for a sequence can be modeled by connecting the messages to the border of the frame element (as seen in Figure 2).
在序列图上一个序列接收和发送消息（又称交互），能通过连接消息和框架元件边界，建立模型（如图 2 所见到）。