The phrase "a pair of direct" is not correct and does not convey a clear meaning in written English.
It may be intended to describe two direct items or concepts, but it lacks context to be usable.
Example: "I need a pair of direct comparisons to illustrate my point."
Alternatives: "two direct" or "a couple of direct".
The par locus on pAD1 codes for two small RNAs, called RNA I (coding for the toxin) and RNA II (the antisense RNA) which are convergently transcribed in opposite directions across a pair of direct repeats toward a bidirectional terminator (42).
Fe(III P/MWCNTs composites were characterized by ultraviolet visible absorption spectroscopy (UV vis) and scanning electron microscopy (SEM), and the results revealed a pair of direct redox peaks from the FeIII/FeII couple.
We have assumed that a pair of direct friends or friends-of-friends who have mutual trust with each other can communicate.
Thirty-two Lattackeds athecked the ship and scored a pair of direct hits and a near miss.
Four direct drive steam turbines were proposed, as in the Bretagne class; the other option was a hybrid system that used a pair of direct drive turbines on the inner two propeller shafts, and two reciprocating steam engines on the outer shafts for low-speed cruising.
The most common TRE sequence is a pair of direct repeats separated by four nucleotides (DR4), indicating that the correspondent receptors bound as a dimer [ 12].
Undirected edges are replaced by a pair of directed edges in each direction.
It's also much improved, shedding roughly 270 pounds and gaining a handsome Sonata-style interior and a pair of direct-injection 4-cylinder engines.
John also publishes a pair of direct-to-inbox newsletters, one covering MLB and the other the Pittsburgh Pirates, that are filled with insider news and gossip.
The result is a pair of directed coefficients describing how the two loci influence each other in terms of suppression or enhancement.
It will be convenient to replace, in the given phylogenetic tree T , every edge e = { v, w} by a pair of directed arcs (v, w) and (w, v) and put λ v, w) = λ w, v):= λ e) (see Figure 1 for an example).
