Each file begins with a simple declaration of what package it belongs to, and each file can import the packages it USES.
每个文件开头都会声明它属于哪一个包，每个文件也可以引入它所用到的包。
As illustrated in the previous articles, the SDO package name for an XSD is determined from the targetNamespace declaration of the schema definition (Figure 3).
正如上一篇文章图示的那样，XSD的SDO包名是由schema定义中的 targetNamespace声明来决定的（图 3）。
Lines 1 through 10: package, import, and class declaration statements.
第1至10行：package、import和class声明语句。
The local declaration in A saved a new temporary value, AAA, in the package variable $lo.
在A函数里的local申明，给包变量$lo赋予了一个新的临时值AAA。
Therefore, the role declaration and grants to the permissions should not even be part of your package.
因此，角色声明和许可的授权不应该是您软件包的一部分。
Once a package has been imported, package members can be accessed directly by name, except when a member has the same name as another declaration visible to the importing scope.
当导入包后，就可以按名称直接访问包成员，除非成员与导入范围可见的另一声明具有相同的名称。
Once a package has been imported, package members can be accessed directly by name, except when a member has the same name as another declaration visible to the importing scope.
当导入包后，就可以按名称直接访问包成员，除非成员与导入范围可见的另一声明具有相同的名称。
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