If the noise level is just below the threshold needed to flip the state of the system, even a tiny input voltage is enough to change the system's state.
如果噪音的等级正好比转换系统状态的极限低，一个非常小的输入电压就足以改变系统的状态。
Together, both studies suggest a change of emphasis may be needed, and that efforts should be made to preserve not just forests, but also bogs.
两份研究一致认为努力保护的不仅仅是森林，还包括沼泽地。 在这点上加重语气（强调）或许是必需的。
When the needed change is small, it's often easier to just avoid the hassle, waiting for a convenient time and then making several changes at once.
在所需更改不大时，直接避免这种麻烦往往更容易，等到合适的时机再去一次性地进行多处更改。
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