At this point, we have no other choice but to double up before going to the next energy level, 2px so we'll put a second one in the 2 p x.

在这点上我们没有其他选择,而只有双倍填充,在到下一个能级之前，所以我们放入第二个电子至。

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"Choice is a double-edged sword, " says QuantumShift Chief Executive Scott Schaefer .

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John Paul I explained his unusual choice of a double name by saying he intended to carry on the legacy of both John XXIII and Paul VI.

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However, picking a lower seeded team to advance from the round may also be a solid choice, as a double digit seed has made the Sweet Sixteen 26 of 28 years.

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