The phrase "and efficiency of an" is grammatically correct and can be used in written English.
It can be used when discussing the effectiveness or productivity of a particular subject or system, often in a comparative or descriptive context.
Example: "The study focused on the effectiveness and efficiency of an innovative approach to project management."
Alternatives: "and effectiveness of a" or "and productivity of an".
Few industrial enterprises, whatever they make, can match the discipline and efficiency of an army that simply destroys things and people.
He concentrated his skills on how to construct his films so that (at their best) they roared along with the speed and efficiency of an express train, provided rip-roaring interpersonal drama to go along with the larger narrative, gave the audience their money's worth by filling the frame with opulent décors, dazzling costumes and armies of extras in meticulously composed tableaus.
The load factor is a measure of the performance and efficiency of an airline.
Neely, Gregory and Platts (2005) define a performance measurement system as the process of quantifying the effectiveness and efficiency of an organization.
Proper resource management techniques based on precise information of groundwater response to recharge and withdrawal activities can help in improving sustainability and efficiency of an aquifer.
The analytical formula about power output and efficiency of an endoreversible Braysson cycle with heat resistance losses in the hot and cold-side heat exchangers are derived.
In the present study, we determined the specificity and efficiency of Ad vectors expressing short hairpin (sh) RNA constructs to knock-down the estrogen receptor α (ERα).
With the charisma and efficiency of a salon Mussolini, Breton adopted the word, organized a cohort, and promulgated dogma.
Perhaps your GP spotted something you thought was a minor problem, or the speed and efficiency of a paramedic was crucial in a time of need.
A former mathematics teacher, Duch brought the strictness and efficiency of a schoolroom to his prison in a former high school in the center of Phnom Penh, the capital.
