The phrase "average expansion" is correct and usable in written English.
It can be used in contexts discussing growth, development, or increase in size or scope, often in fields like economics, science, or mathematics.
Example: "The average expansion of the economy over the last decade has been steady, indicating a stable growth pattern."
Alternatives: "mean growth" or "typical increase".
A size-effect theory is herein introduced to investigate the average expansion of concrete containing free lime (CaO) and impurities.
Humans have the highest average expansion rate across all families at 0.20 whereas gibbons have the lowest at −0.09, meaning that they have the most gene family contractions.
The only major metric I looked at wherein today's recovery outperformed the average expansion of the previous 60 years was corporate profits.
Growth in the eastern part of the country was lower, at 2.7 percent, but still well above the average expansion in the European Union.
The new designed R245fa expander works stably in the experiment, with an average expansion power output of 1.73 kW and an average isentropic efficiency of 45.2%.
The mean local reaction rate related to the average expansion across the front and computed from the mean velocity divergence is evaluated in this work.
"The animal spirits that are necessary to get an above-average expansion in the economy are largely absent".
On the other hand, the fact that a decline in trade and investment appears to have had a pronounced drag on global growth suggests that the above-average expansion of the late 1990's had more to do with rapid integration than critics acknowledged at the time.
Then a Euclidean distance between the averaged expansion coefficients of noise and P-waves were computed at each node of the WP tree.
The averaged expansion rates from D0 to D7 were 115 ± 35 × 10 and 4 ± 4 × 10 μm/day for the CXCL12 and vehicle groups, respectively (p < 0.05).
Continuous CXCL12 administration at 60 ng/day resulted in an averaged migration speed at 269 ± 41 μm/day or an averaged expansion rate of 115 ± 35 × 10 μm/day into the CC.
