The phrase "achieved within a few" is not complete and lacks context, but it is grammatically correct.
It can be used when discussing the timeframe in which something can be accomplished, typically followed by a specific time period.
Example: "The project was successfully achieved within a few weeks, exceeding our expectations."
Alternatives: "accomplished in a few" or "completed within a few".
They predicted that the agreement could be achieved within a few days.
This restorable time is achieved within a few ms in the proposed ring access network.
The power conversion efficiency (PCE) over 22% was achieved within a few years from the advent of the PSCs.
The results showed that particles had quick mixing in the transverse plane and the well mixed states were achieved within a few revolutions.
Due to the rapid injection of an appropriate amount of ionic liquid ferrofluid into the aqueous sample by a syringe, extraction can be achieved within a few seconds.
This necessitated removal of the Taliban regime, which was achieved within a few weeks but then instead of handing over the country to the UN to administer and hold elections, NATO troops continued to occupy Afghanistan.
We believed that what the Tunisians had been able to achieve within a few days, we could achieve in weeks.
Some speakers talked of banning women from wearing shorts as a goal to achieve within a few years.
They are also developing methods to edit multiple genes in a single plant, a goal some scientists say they can achieve within a few years.
In this situation, surgery may be difficult to achieve within a few days (a short period which is often necessary in the context of aggressive lymphoma), is expensive and may induce several postoperative complications that further delay the initiation of curative chemotherapy.
Therefore, from the timeliness aspect, our PPP-RTK model currently cannot satisfy the critical requirement of instantaneous precise positioning where ambiguity-fixed solutions have to be achieved within at most a few seconds.
