Data Load Rules 数据加载规则
external-load rules 外挂装载规则
load line rules 载重线规则
General Rules for Unit-Load System 单元货载系统通则
You can load the rules from the repository when you need them and unload the rules back into the repository when you do not need them.
您可以在需要这些规则时从储存库中加载它们，而在您不需要时将它们卸载回储存库。
Don't define an association for the sake of association; do so only when you need to load them together, which should be decided by your business rules and design (please see Example 5 for details).
不要为了关联而定义关联；只在你需要一起加载它们时才这么做，这应该由你的业务规则和设计来决定(见范例5)。
Selector: a list of rules to identify files or chunks used by a load.
选择器：加载用来确认文件或数据块的一个规则列表。
应用推荐