这并不是强制性的；g cc会尝试通过读取操作数来提供相应的后缀。

This is not mandatory; GCC tries provide the appropriate suffix by reading the operands.

youdao

Web服务操作Account . create需要一个新的强制性参数country，因此我们对Address类型进行修改，以添加这个新字段。

The Web service operation Account.create needs a new mandatory parameter for country, so we modify the Address type to add this new field.

youdao

存在特定于DMS的锁可以阻止在备份时发生不相容的操作，而且在分割的时候这些是强制性的。

There are DMS-specific locks that prevent incompatible operations from occurring at the same time as a backup, and these are also enforced at the time of the split.

youdao