The phrase "a relatively constant rate" is correct and usable in written English.
It can be used when discussing a situation where something remains stable or unchanged over time, but with slight variations.
Example: "The population of the city has been growing at a relatively constant rate over the past decade."
Alternatives: "a fairly steady rate" or "an approximately stable rate".
Lin desires a flatness and a stasis for his poems, and he has said that "the best sentences should lose information at a relatively constant rate.
Drip tubing is buried 92 cm deep and irrigates at a relatively constant rate year-round, while evapotranspiration by the alfalfa and grass crops grown is seasonal.
Thereafter, a relatively constant rate of weight loss was observed with the nanofibers and they were mostly degraded within 4 weeks, attributed to the low molecular weight of the PLGA.
MWCNT aerosol particles were generated at a relatively constant rate over a period of 24 h, and the aerosolized MWCNTs were generally smaller than 1 μm.
Many hormones are produced at a relatively constant rate, and in healthy individuals the day-to-day serum concentrations of these hormones lie within a rather narrow normal range.
On the basis of the assumption that the plants underwent a relatively constant rate of evolution, the oldest common ancestor of the orchid family dated from 76 million to 84 million years ago, in the Late Cretaceous Period.
This relatively constant rate reflected an increase in the absolute number of revisions as the number of primary procedures, particularly in younger adults, had increased [ 1, 3].
They correlate between ∼3.1 and ∼10.5 Ma with the reference magnetic polarity time scale, indicating a relatively constant sedimentation rate with an average of 0.21±0.01 mm/year.
A relatively constant microdischarge rate of ∼100 cm−2 s−1 was revealed, with the sizes and lifetimes of microdischarges ranging between ∼70 and 380 μm and ∼35 and 800 ms, respectively.
The results showed that the new CA HBS had a relatively constant leakage rate and kept O2 and CO2 concentration variations to within ±0.067% and ±0.167% at three set points (1% O2 15% CO2, 2%O2 17%% CO2, and 2%O2 20%% CO2), resulting in relatively stable gas compositions.
LUE-based models often assume a relatively constant assimilation rate of carbon per unit absorbed photosynthetically active radiation [27,28].
