The phrase "a normal length" is correct and usable in written English.
It can be used when describing something that is of average or expected size, often in comparison to other lengths.
Example: "The document should be a normal length, not exceeding two pages."
Alternatives: "an average length" or "a typical length".
Hass and Zappulla directly tethered Sir4 to this defective RNA and found this restored the shortened telomeres to a normal length, indicating that Sir4 normally binds Ku to recruit telomerase.
Since October 2008, the Bank has provided a permanent Discount Window Facility to banks, with a normal length of borrowing of 30 days.
"In massage, shortened, overworked muscles get flushed out and return to a normal length, which helps them properly recover," she said.
Ben Stokes was not overly enamoured with that but diminutive players make it difficult for bowlers to find a length: a normal length is too short, but over compensate and they are quick on the drive.
Lonergan recalls, "I cut a hundred pages out of it without turning a hair, and then I cut another hundred pages of it without much difficulty, and then I stopped, because I wasn't sure if I was making cuts that were good, or because I was trying to get it to a normal length.
"Spellingg Bee" was the first installment of the show to run for a normal length, approximately 43 minutes.
It takes five weeks to rehearse a normal-length play: Tantalus has needed 26 weeks because of its length and because of the virtuosity that had to be developed by its actors.
However, when both the fifth and sixth toes are markedly shorter than a normal toe, reconstruction of a normal-length fifth toe has not been performed, because the toe rarely serves a functional purpose.
The purpose of this study was 2-fold: (1) to describe the surgical anatomy associated with type 0 radial longitudinal deficiency (radially deviated hand in the presence of a normal-length radius) and (2) to report the results of a surgical procedure designed to improve the alignment of the hand and forearm.
The other 20% of the embryos develop to term and live a normal-length life.
Homozygous hypomorphic mice expressing 2% of the Prep1 mRNA have a milder phenotype with embryonic lethality at E17.5 affecting 75% of the homozygous embryos, whereas the remaining 25% homozygous are born and live a normal-length life [10].
