四种基本力（万有引力、电磁力、强核力和弱核力）中的每一种都有一个理论上的旋钮。

Each of the four fundamental forces (gravity, electromagnetism, and the strong and weak nuclear forces) has a kind of theoretical knob.

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双方的核力量都在高度戒备中。

Both sides put their nuclear forces in high alert.

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他说：“那些核力量正在老化，俄罗斯没有钱一个一个的更新。

They are aging and Russia doesn’t have the money to replace them one-for-one," said Cirincione.

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