The phrase 'must have highly' is correct and usable in written English.
You can use this phrase to express that something must have very good qualities or an impressive level of something. For example: "The candidates for this position must have highly developed problem-solving skills."
In order to use Rz for such RNA processing, Rz must have highly active and specific catalytic activity.
The UK-wide Music in Hospitals movement, which has professional musicians bringing entertainment to care homes and hospices as well, is clear that its performers must have highly developed social antennae to match their musical accomplishment.
Scientists must have highly specialized information about the products they use, said Neil de Crescenzo, the president of Chemdex, a subsidiary of Ventro, a company that operates specialized online technical marketplaces.
Her lack of experience at running a large company may count against her (although much of her early career was at big regional reps including West Yorkshire Playhouse under Jude Kelly), but anyone who can remain so well liked and respected in the backstabbing world of British theatre must have highly developed political acumen.
Embryos must have highly redundant regulatory systems to ensure that a perfectly proportionate animal is produced time after time.
In order to maintain a closeness score larger than 0.6, the candidate proteins must have highly similar ontology attribute set and topology connectivity to seed cliques during the seed cliques augment phase.
FLM structuring operations are limited to metering, mixing, deposition and fusion; while materials used in FLM fabrication must have highly-standardised flow and setting properties.
The idea behind our NFP identification is that, in order to work together, a gene (say, gi) and its NFPs must have highly-correlated expressions, and at the same time belong to the same pathway.
While performance in most team sports is dominated by technical and tactical proficiencies, successful team-sport athletes must also have highly-developed, specific, physical capacities.
(If true, the two kids must have been highly inquisitive: it is extremely difficult to even discern the actual "parts" without magnifying the image).
Whoever planned his itinerary must have a highly developed sense of irony.
