As the following example shows, weak references and soft references are powerful tools for fixing memory leaks.

如以下示例所示，弱引用和软引用都是解决内存泄露的强大工具。

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You must have met such people before - outwardly strong and powerful, but when they left, they left you feeling drained or weak.

你一定也见过这样的人——从外表上来看坚强而有力，但当他们离开后，给你的印象却是疲惫而虚弱。

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narrow feathers and weak flight muscles suggest it was not a powerful flier.

狭窄的羽毛和柔软无力的飞翔肌暗示孔子鸟并非是个高超的飞行大师。

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But those same Democrats and supporting liberal organizations suddenly go from weak and negligible to powerful and cohesive when it comes to confronting DeLay, one of the most powerful men in Washington.

NPR: DeLay's Precarious Strategy for Survival

But it risks reinforcing the rift between an assembly that is perceived as representing poor, small and weak countries, and a council on which powerful, or once-powerful, countries have a disproportionate say.

ECONOMIST: Responsibility to protect

The PC area, especially on the consumer side, has been a weak spot as tablets and more powerful smartphones have likely been resulting in reduced demand.

FORBES: S&P's View On U.S. Debt Downgrade's Impact On Tech