Long base level, middle base level and short base level are divided in the systems tract of all the sequences.

对每个层序的体系域进行了长周期、中周期和短周期基准面旋回的划分。

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The human genome contains many loci where short base sequences are repeated in tandem, with great variation between individuals in the number of such repeats.

由于人类基因组包含有许多串联重复的短 序列基因，它们具有很大的 个体 差异。

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The research work of this article is the hardware design of receiving and transmitting unit in the under-water acoustic head of Long Range Ultra short Base-Line Positioning System.

这套系统主要由水下应答器、传载水下声头和船载主控机组成。本论文的研究工作主要是长程超短基线定位系统中传载水下声头内收发单元的硬件设计与实现。

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In this case, to optimize for the best of the whole community and the whole user base and over the long term and that's important too, your long over short term.

在这个前提下,去寻求整个社会,以及所有用户的长远利益的最大化,这十分重要，我们寻求长期利益，而非眼前利益。

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And then later on, I played pitcher, short stop, first base, outfield,

后来我打过投球手、游击手、一垒位置和外场，

会打棒球吗？ - SpeakingMax英语口语达人

And some parts, particularly those where the same short pattern of base pairs is repeated over and over again, remain difficult to sequence well.

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One report said the landmine had been planted a short distance from their base.

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Manny Machado then hit a sharp low liner that Robinson Cano caught on a short hop near second base.

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