Could it be that having all this free energy lying around in fossil fuels offered us a dangerous dose of cultural steroids, the evolutionary equivalent of human growth hormone?

难道化石燃料里的自由能对于我们的文化进化过程，就相当于危险剂量的类固醇类激素对于人类的生长一样吗？

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The scanning machines, called "backscatter scanners," deliver a dose of ionizing radiation equivalent to 1 percent or less of the radiation in a dental X-ray.

扫描机，所谓的“反射散射扫描仪”，发射出的电离辐射剂量相当于牙科辐射X射线的1%或更少。

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There was a dose response relationship of pheromonostatic activity of male accessory gland extract, and 0 2ME (male equivalent) was the minimum dose required for effective inhibition.

雄蛾性附腺提取物对雌蛾性信息素合成的抑制作用与注射剂量有明显的相关性，0 2ME （雄蛾当量）是产生显著抑制作用的最小剂量。

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On scan days, baseline scans were followed by intravenous administration of nicotine at a dose equivalent to the nicotine delivered by 1.5 cigarettes.

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In the new study, published this week in the "Archives of Internal Medicine, " 248 menopausal women were randomly assigned to receive a placebo pill or 200 milligrams of soy isoflavone supplements per day -- a dose "equivalent to approximately twice the highest intake through food sources in typical Asian diets, " Levis says.

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Because the beam is being so precisely targeted, a bigger dose can be given, equivalent to several sessions all at once.

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