The phrase "a fairly constant level" is correct and usable in written English.
It can be used to describe a situation or condition that remains relatively stable or unchanged over time.
Example: "The temperature in the room maintained a fairly constant level throughout the day, ensuring comfort for all attendees."
Alternatives: "a relatively stable level" or "a consistently steady level".
It has neither inlet nor outlet, maintaining its water at a fairly constant level entirely through evaporation, seepage, and precipitation.
The best scientific thinking, in a field that is admittedly understudied, now holds that multiple, public murder occurs at a fairly constant level across time and cultures.
It's no shocker to see Tap Tap Revenge at the top of the list, as it has a fairly constant level of buzz surrounding it.
From the sixth month, the hazard rate to the current employer decreases gradually until the 12th month, and hereafter it remains on a fairly constant level.
Uber has sustained a fairly constant level of attacks over a number of its policies, but they are hardly the only startup that has received the ire of critics.
The average length and width of the NWs as a function of oxide regrowth time reach a fairly constant level almost immediately (Figure 3A), whereas the yield of vertical NWs drop with re-oxidization time (Figure 3B).
In contrast to the fairly constant level of H3K4me3 across the genome and the large number of genes marked by H3K4me3 in both QSCs and ASCs, the level of H3K27me3 was low in QSCs and dramatically increased in ASCs.
In this study the highest, but still low, malic enzyme fluxes were observed in the more oxygenised conditions while the absolute anaplerotic flux remained on fairly constant level and only the ratio of anaplerosis to the TCA cycle flux was increased when oxygen concentration was reduced.
Both carbon compartments remained at fairly constant levels until a PMM value of 10 where the exchange between compartments moved more carbon into the oxic compartment out of the anoxic compartment.
According to [49], multimedia services users would usually prefer to keep a fairly constant quality level rather than being exposed to fluctuations in the video quality.
Females lay up to 3,000 eggs in one or more silk egg sacs, which maintain a fairly constant humidity level.
