应用程序本身也能触发垃圾收集。

The application itself can also trigger a collection.

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珀尔修斯拥有更坚固的钢铁外壳和备用的抗震性触发系统，能击穿数米厚的钢筋混凝土，并在进入掩体之后才引爆。

With a stronger steel casing and backup shock-resistant triggering mechanisms, the Perseus can smash through several metres of reinforced concrete and detonate only after it has gone into a bunker.

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这也能触发改变。

That could also trigger change.

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