这样的纳米颗粒表现出高的内在活性、抗菌作用、抗病*作用，而且还可以用于癌症治疗及伤口治愈。

Such nanoparticles exhibit high intrinsic activity, anti-bacterial, anti-viral action and can also be used for treatment of cancer and for healing wounds.

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受体亲和力决定了占据一定百分比的受体所需阿片类药物的量，而内在活性决定了阿片类药物的镇痛效果。

While receptor affinity determines the amount of opioid needed to occupy a given percentage of receptors, it is the intrinsic activity of the opioid that determines its analgesic efficacy.

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财政刺激，低利率，出口浪潮，和内在的灵活性促使了2004年强有力的经济增长，而现在GDP上升8%，呈现出2000年以来最好的经济态势。

Fiscal stimulus, low interest rates, a surge in exports, and internal flexibility led to vigorous growth in 2004, with real GDP rising by 8 percent, by far the economy "s best performance since 2000."

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