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【求助】请高手解释一下意思 已有1人参与
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The fats were incorporated into margarines, cookies, and muffins and fed to 15 hypercholesterolemic men and women (average age = 51 yr) for 5 wk each in random order. A low-fat diet (21% energy as fat) was fed for 2 wk as a baseline “run-in” treatment. The test diets contained 41–42% energy as fat. The fat intake provided by the test fats was ca. 25% energy 这里的41–42% energy 和 25% energy 分别是相对什么而言的？同一膳食为什么会出现不同的能量百分比？ 谢谢 [ Last edited by spxysa041 on 2010-5-11 at 20:04 ] |
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