C indeed represents an effective displacement.

其实表示的是实际位移

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The nightmare ended only after Klawiter tried a probiotic that her gastroenterologist had read was effective against C. diff.

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Crestor was effective in lowering C-RP .

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And a company called Romark Laboratories has come out of nowhere with data on an unheralded anti-parasite drug that seems effective on one hep C strain.

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