The phrase "a pair of type" is not correct in standard written English.
It is likely intended to refer to a specific type or category, but the phrase is incomplete or misused.
Example: "I need a pair of typefaces for this design project."
Alternatives: "a couple of types" or "two types of".
In general, the type 1 copper ion are linked to two histidine residues, one cysteine residue, and one leucine or phenylalanine residue, while one type 2 and a pair of type 3 ions form a trinuclear cluster linked to eight histidine residues (Claus 2004; Giardina et al. 2010).
A pair of Type 22 surface-search radars were also fitted during the conversion.
A pair of Type 94 high-angle directors, one on each side of the bridge, were intended to control the Type 89 guns.
During 1944, the ships' AA defences were reinforced with an additional dozen triple and eleven single 25 mm gun mounts, for a total of 104 barrels, and a pair of Type 13 early warning radars were added.
Fourteen of the type 1 DA cells were traced (Figure 6A and B): 12 from retinas with a single type 1 DA cell, and two from one retina that had a pair of type 1 DA cells.
BMPs interact with a pair of type II and type I receptors (e.g. BMP receptor type Ia, BMPR1A; Activin receptor-like kinase 1, ACVRL1; BMP receptor type 2, BMPR2; Activin receptor type IIa, ACVR2A; Activin receptor type IIb, ACVR2B), which are also respectively structurally conserved [12] [14].
A pair of types can either be good by cancelling out the weakness of the other, or bad because you double up on weaknesses.
Bring a pair of ballet type flats with you just in case your feet start talking.
Returns a pair of (numDots, type) or (False, False) if no exact matches are found.
According to our results, in the bistability region the overall dynamic response of the system is described by means of a pair of softening type frequency responses merging together in a specific frequency band.
Gulati and Gupta [9] proved duality theorems for a pair of Wolfe type higher-order nondifferentiable symmetric dual programs.
