Apple's stated purpose of its revised iPhone developer policy is to block out meta platforms to ensure a high level of quality in the App Store.

苹果声称修订iPhone开发者政策的目的是为了防止出现其他平台软件的翻版，以此来保证软件商店软件的高质量。

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This policy rounds off the size of the allocation request to the next highest available block.

这种策略把分配请求的大小向上取整到下一个可用的块大小。

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Policy Injection Application Block can still be used if AOP functionality is needed.

如果需要AOP功能，依旧可以使用策略注入应用程序块。

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Several members of the House committee also urged Pistole to drop the proposal, warning that if he doesn't, Congress may take steps to block the policy change.

NPR: TSA Stands By Plan To Allow Small Knives On Planes

So far, Russia has been a stumbling-block to western policy in Yugoslavia rather than a threat.

ECONOMIST: Russia

The debacle has also exposed Australia to a new reality over its other foreign-policy block, the American alliance.

ECONOMIST: Australia: Friends no more | The