Opaque references require remote calls to compare object identity reliably . For some applications , the overhead of these calls is prohibitive .
不透明的对象引用要求远程调用比较对象标识符。对许多应用来说，这些调用的负载是禁止的。
Article 6 any country or region that takes discriminatory prohibitive or restrictive measures or other similar measures against the people 's republic of china in terms of the import or export of goods , it may , according to the specific situations , take corresponding measures against such country or region .
