The phrase "underlined through" is correct and can be used in written English.
It is commonly used to describe a word or phrase that has been marked with a line drawn beneath it, often to emphasize or highlight it. Here is an example sentence: "The teacher asked us to identify the key vocabulary words in the passage, which were underlined through for us to easily locate."
The proposed framework's features will be underlined through a case study - a rotary electromechanical actuator for primary flight control.
The influence of epistemic uncertainties on the optimal solution is underlined through sensitivity analysis regarding the input data.
The effect of false alarms and miss detections on the global cost of inspection planning is underlined through a basic example.
Moreover, the refinement and delicacy of the miniature underlined through our analyses, reveal illuminators as true artists.
The exceptional adaptation of this animal to this environment is underlined through comparisons to crossbred horses [horses produced by crossbreeding Yakut horses with other races with the aim of improving certain qualities, whilst still retaining its resistance and rusticity (p.68)].
The role of zinc as a global regulator was underlined through the myriad of terms associated with closely linked terms of 'positive regulation of biological process' (38 genes, P = 7.2 × 10-4; Figure 3) and 'positive regulation of cellular process' (33 genes, P = 0.0032; Figures 3 and 4F).
It also underlines, through the concerns expressed by many authors about data scarcity and limitations, that neglect of information needs hampers the forward-looking assessment of sustainability of agricultural and rural development.
MluI and HindIII restriction sites (underlined) were introduced through PCRs.
The likely site of phosphorylation is underlined, as determined through comparison with the published phosphorylation consensus sequence for PKN1 and PKN3 substrates [ 27].
At the Playhouse run-through, she had underlined all questionable pronunciations with green ink.
Don't switch from italics to underlining halfway through.
