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。
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%。
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。
Seen on a July winter night from Lake Taupo on New Zealand's North Island, the line-up features Venus, Regulus (alpha star of Leo), Mars, and Saturn from lower left to upper right.
这个景象出现于新西兰北岛陶波湖的冬季七月天空中，从左下到右上排成一线的是金星venus、轩辕十四regulus(狮子座leo的第一亮星)、火星Mars和土星Saturn (Virgo是室女座)。
I have here that same ladder, and now what I will do is I will set the angle alpha not exactly at the critical point but a little lower, so that when I let it go, we'll all see that it will slide.
这是一个梯子，现在我要,使得角度α,不是恰等于临界点,而是略小一些，所以当我放手，我们会看到它下滑。
A change from alpha wave drowsiness to lower frequency theta brain waves signify early sleep.
脑波从波变化到低频波 为早期睡眠。
The amount of stored granzyme-A within single cells was always lower in HCV-specific CD8 cells, which were less efficient also in the release of lytic granules and in the production of TNF-alpha.
丙型肝炎病毒特异反应性CD8单细胞内粒酶A的储存量一直比较低，溶解的洋地黄毒素（lytic granules）的释放和TNF-α和产量也低。
The amount of stored granzyme-A within single cells was always lower in HCV-specific CD8 cells, which were less efficient also in the release of lytic granules and in the production of TNF-alpha.
丙型肝炎病毒特异反应性CD8单细胞内粒酶A的储存量一直比较低，溶解的洋地黄毒素（lytic granules）的释放和TNF-α和产量也低。
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