Ignore Zero in Stars 输出数据统计时忽略零值
Moderate to miniscule amount. Foods that are off the charts in at least one category-say, candy or butter-automatically get zero stars.
如果食品中有至少一类的营养成分含量超标，比如糖或者黄油，那么这个食物就被自动评为零颗星。
The Institute of Medicine offered a possible solution in a report released yesterday: put a simple, standardized rating—zero to three stars or checkmarks—on every food package.
在昨天发布的报告当中，美国国家医学院提出了一个解决方案：简单说来，就是给食品设定标准化评级-在每个食品的包装袋上标上0颗到3颗星或者审核标记。
The faintest star you can see with your unaided eye is about sixth magnitude (from dark skies) whereas the brightest stars are magnitude zero (or even a negative number).
你用肉眼所能看到的最暗的星的亮度值大约是第6级(如果是黑夜的话)，而最亮的星的亮度值是0(更有甚者其亮度值为负)。
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