This referenceholder document contains two dynamically created fields: SKey and REFUNIDs.
该引用持有者文档包含两个动态创建的字段：skey和REFUNIDs。
2
A weak reference is a holder for a reference to an object, called the referent.
弱引用是对一个对象(称为referent)的引用的持有者。
3
The method includes forming physical reference datum directly on an individual silicon die module, and positioning the individual die modules on a temporary holder.