The phrase "achieved during the first" is correct and usable in written English.
It can be used to refer to accomplishments or results that occurred in the initial phase of a process or timeframe.
Example: "The goals we achieved during the first quarter exceeded our expectations."
Alternatives: "accomplished in the initial" or "attained in the first phase".
Bidders of gas, nuclear and diesel-fired plants agreed a price of £18 per kilowatt-year (8,760 kilowatt hours), slightly lower than achieved during the first auction last year.
If Christie's Impressionist and Modern Art sales fell from £497 million, achieved during the first half of 2008, to £413.8 million in 2009, this is because the offerings were miserable — and that, too, is a fact that auction-house spokespeople are too tactful to point out.
The yield strength of the spliced bars was not achieved during the first two load cycles.
This means that L th order diversity is achieved during the first phase.
The results achieved during the first year demonstrate a rapid adaptation of wild seahorses to captive conditions.
In addition, Cahill et al. review nutrition achieved during the first day of ICU stay, which is not necessarily when GC starts for all patients.
The feat was achieved during the third T20 match against New Zealand in February 2015.
The regeneration of the load vector is achieved during the second step, once the number of loads and their location are known, combining the dynamic responses obtained experimentally with the transmissibility matrix from the numerical model.
Theme saturation was approximately achieved during the second focus group interview, and a third focus group interview was conducted to confirm the saturation.
Stelle d'oro al Merito Sportivo) on its shirts representing its league victories, the tenth of which was achieved during the 1957 58 season, the twentieth in the 1981 82 season and the thirtieth in the 2013 14 season.
