The phrase "a more efficient alternative" is correct and usable in written English.
You can use it when comparing options and suggesting that one option is better in terms of efficiency than another.
Example: "After reviewing the current processes, we found a more efficient alternative that could save us time and resources."
Alternatives: "a better option" or "a more effective choice".
A more efficient alternative is alternated sampling, but the succeed of this option is limited to the existence of virtual sensors capable of give accurate values that must be use during the unsampled period.
Three reasons lie behind my quest for a more efficient alternative.
Previous studies have shown PCKF is a more efficient alternative to EnKF for many data assimilation problems.
The Tories tried in opposition to sell the notion of the "Big Society" as a more efficient alternative to bureaucratic intervention.
By contrast, the ecosystemic approach (sometimes also evoked by terms such as biosphere) is offered as a more efficient alternative to natural resource management.
In order to increase the sustainability of the poultry industry, it is necessary to find a more efficient alternative to this poultry feed.
The single-cell immunofluorescence assay for TdT, which requires < 0·1% of the cells used in a conventional biochemical assay, is highly specific, and could provide a technically more efficient alternative for use in clinics as well as in experimental investigations of subpopulations of leukaemic and normal marrow cells.
The Barton button is a simpler, more efficient alternative that provides intraluminal attachment within the trachea.
They believe this is a safer and more efficient alternative to humans cleaning them and that this is a $1.4 billion market opportunity.
Valverde says his giant rats offer a much cheaper, more efficient alternative.
In this study, ultrasound-assisted extraction (UAE) was evaluated as an easier and more efficient alternative method for the isolation of anthraquinones (AQs) from Heterophyllaea pustulata Hook f. (Rubiaceae), compared with conventional extraction techniques.
