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But how can we solve the differential equation with variable coefficient and the differential equation whose inhomogeneous term doesn't belong to the basic form.
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但是对于变系数的及非齐次项不属于基本类型的微分方程，如何求解？ |
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But how can you can you tell what a microbe's feeling?
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但是，你怎样才能知道微生物的感受呢？ |
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But how can you compete with individuality?
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但你怎么能同个性竞争呢？ |
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But how can your pockets hold your wallet, change, credit cards, photo ID, checkbook, pills, PDA, cell phone, breath mints, lip gloss, tissues, a comb and condoms?
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而你身上的口袋怎么能装下这堆东西：钱包、零钱、信用卡、身份证、支票薄、药丸、掌上电脑、手机、口香糖、唇膏、手纸、梳子和避孕套？ |
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But how could I get it there ?
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可是我又怎样才能做到呢？ |
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But how could some chickens possibly fight off a tiger?
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但是，几只鸡怎么能打跑老虎呢？ |
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But how could such a deluge have occurred?
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但是，这样的浩劫是如何发生的？ |
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But how could the glia in our experiment be detecting the neuronal firing, given that the axons made no synaptic connections with the glia and the axonal glia were nowhere near the synapse?
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不过轴突并没有突触与神经胶细胞接触，而且轴突上的神经胶细胞又离突触那麽远，我们实验中的神经胶细胞如何才能够侦测神经元的活性呢？ |
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But how could they speed up without a single sip of water?
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可是，眼下几万人马连水都喝不上，又怎么能加快速度呢？ |
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But how could this be accomplished otherwise?
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莫非还有其他可以造就脑般效率的方法？ |
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But how could we afford someone of his stature? “My honorarium,” he told me, “is to see Feynman's van.
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但是，我们如何支付这位高人的演讲费用？「我的酬劳，」他告诉我︰「是要看看费曼的箱型车。」 |
