Ionized by energetic starlight, a hydrogen atom emits the characteristic red H-alpha light as its single electron is recaptured and transitions to lower energy states.

氢原子被高能的恒星光离子化之后，在它的单个电子重新被捕获并跃迁到低能级上时会放出典型的红色h - alpha光。

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But women in the group with the highest levels of alpha-amylase had a 12% lower chance of falling pregnant for each day of their most fertile days than those with the lowest levels of alpha-amylase.

但是阿尔法淀粉酶最高的一组妇女有12%的可能性不能怀孕。在最有机会生育的天数内，她们每天比阿尔法淀粉酶最低的一组妇女的怀孕概率低了12%。

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It can use lower Roman, upper Roman, lower Alpha, upper Alpha, decimal numerals, or none.

它可以是小写罗马数字、大写罗马数字、小写阿拉伯数字、大写阿拉伯数字、十进制数字或不使用。

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