Instead, the names of the input and output pins on the actions are labeled by a parameter, variable, or structural feature in the context classifier (the class owning the activity) that is in scope.
相反，操作上输入与输出的名字，会标上范围内背景标识符(拥有活动的类)中的参数、变量或者结构性特性。
2
A noun phrase can consist of more than one key nouns and modifiers, which makes the structural relationship variable and indefinite, and so it can easily cause ambiguity.
英语名词短语结构中可以包含多个修饰语和中心词，结构关系具有可变性、不确定性，因而极易产生歧义。
3
Therefore, MTMD is suitable for controlling structural vibration with variable frequencies.