The phrase "are of sufficient length" is correct and usable in written English.
It can be used when discussing the adequacy of the length of something, such as text, documents, or physical objects.
Example: "The documents submitted for review are of sufficient length to meet the requirements set by the committee."
Alternatives: "are adequately long" or "are of adequate length".
A major challenge for de novo sequencing, in which sequences are assembled for the very first time (such as with the HGP), is the production of individual DNA reads that are of sufficient length and quality to span common repetitive elements, which are a general property of complex genome sequences and a source of ambiguity for sequence assembly.
These data suggest that the double-stranded regions in ovalbumin mRNA are of sufficient length to provide the necessary stability for maintaining the open loop regions in an appropriate conformation which may be required for the biological function of ovalbumin mRNA.
YouTube describes Content ID as "very accurate in finding uploads that look similar to reference files that are of sufficient length and quality to generate an effective ID File".
Nap designs are increasingly used to practically address these issues and are of sufficient length to differentiate performance between sleep and wake groups [30] [33].
It is also important to note that the retrotransposition assay employed in the current study only detects insertions that are of sufficient length to deliver the entire eGFP coding sequence.
Such a system would not require a sophisticated decoding apparatus, since complementary interactions between ribozymes and templates are of sufficient length to provide stable and discriminative associations between them.
This start sequence is critical and must be of sufficient length to synchronize the reception protocol and uniquely distinguish between a valid start-of-message and noise.
The duration of the pilots has not been confirmed, but the DCMS said they will need to be "of sufficient length to attract the right bidders, justify investment and give them commercial certainty".
This study was designed to test whether EpiPen® auto-injector for adults, with a needle length of 1.43cm, is of sufficient length for IM administration in both males and females.
The stirrup leather is of sufficient length for the rider's knee to bend at an angle of about 140 degrees and for the calf to make light contact with the horse's flank, the heel well down, and the toes or the ball of the foot resting on the tread of the stirrup iron.
