Second, each one of these rules has two conditional elements.
第二，每个规则有两个条件元素。
Only when both conditional elements evaluate to true are the rule's consequence elements executed.
当且仅当这两个条件元素都等于true时，才执行规则的结果元素。
Each rule declaration is composed of one or more conditional elements, and one or more consequences or actions to execute.
每个rule声明由一个或多个conditional元素以及要执行的一个或多个consequences或actions组成。
These rules' conditional elements now inspect a Machine object's tests collection to determine if it contains a specific Test instance.
这些规则的条件元素现在检查一个Machine对象的tests集合，以确定它是否包含特定的Test实例。
When an object is removed from the working memory, any conditional elements (of any rule) that had a reference to this object cannot be evaluated now.
当从工作内存中移除对象之后，引用该对象的（属于任何规则的）任何条件元素将不被求值。
It then invokes the update method to let the rules execution engine know about this change, which should trigger a reevaluation of the conditional elements of the rules that reference objectA.
然后它调用update方法，以允许规则执行引擎知道该更新，从而触发对引用objecta的规则的条件元素的重新求值。
Add protocol-specific elements, transactions, a loop, a comment, conditional processing, and custom code.
添加特定协议元素、事务、循环、注释、条件处理和定制代码。
Conditional and procedural elements in the pattern are expressed with code in special callouts.
有特别标注的代码能够表示模式中的条件性及程序性的单元。
All information elements in the message descriptions below are marked mandatory, optional or conditional according to table 4.
下面描述的所有的信息元素，可以根据表4，标记为强制的，可选的，或有条件的。
All information elements in the message descriptions below are marked mandatory, optional or conditional according to table 4.
下面描述的所有的信息元素，可以根据表4，标记为强制的，可选的，或有条件的。
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