还计算了因忽略很高次数的谐波而造成的误差，论述了合理的脉数选择。
The errors caused by omission of the high-order harmonics are calculated and a reasonable selection of pulse number is discussed also.
尽管这是我穿的次数最少的鞋，但当我需要它们的时候我总是很高兴我拥有它们。
Although I wear these the least of all my shoes, I'm always glad I have them when I need them.
重复出现的次数因人而异，有血缘关系的两人在这些结点上拥有相同碱基对重复次数的可能性很高。
The number of repeats varies from person to person, and two people who are related are likely to have the same number of repeats at more of these sites.
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