Due to ubiquitous repeats in large genomes and the inability of short sequences to uniquely and unambiguously characterize them, the short read length limits applicability for denovo sequencing.

由于在大的基因组中广泛存在着重复，短序列不能惟一明确的表征它们，短长度限制了从头测序的适用性。

youdao

This passage I read at length is important for a number of reasons let me just try to explain.

我读出这一长段是基于几个重要的理由,我会加以解释。

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The company is also pushing another measure, called read length, which is the length of DNA that the machine can read at a stretch.

FORBES: Life Tech Pushes Speed Of Small, Fast DNA Sequencer

You can read at greater length here.

FORBES: What Yahoo! Knows About Its Users

Twitter, which has more than 200 million registered accounts, lets people broadcast tweets of up to 140 characters in length and read tweets from other users.

WSJ: Antitrust Regulator Makes Twitter Inquiries