The phrase "average long period" is correct and usable in written English.
It can be used in contexts discussing timeframes, statistics, or trends that are measured over an extended duration.
Example: "The average long period of economic growth in the region has been consistent over the last decade."
Alternatives: "typical extended duration" or "mean lengthy interval".
During primary crystallization, both average long period and lamellar thickness exhibit a significant decrease.
During crystallization, both average long period (L) and lamellar thickness (lc) exhibited notable decreases with time, which were attributed to the mechanism of secondary crystallization in the form of lamellar-stacks insertion.
In the uniaxially oriented thin film of PEN, stacked-lamellar structure with the average long period of 27 nm consisting of a crystalline region about 15 nm thick and an amorphous one about 12 nm thick was found here and there in the dark-field image: PEN-type.
The average long-period comet will strike Earth with a velocity of 51.7 km (32.1 miles) per second.
In total, 58% of the varenicline group and 65% of the placebo group had attempted to quit previously, with average longest periods of abstinence of 3.1 days (varenicline) and 5.5 days (placebo) in the year before the study (table 1).
The shift of rain pattern had clear effects on the average longest wet period (LWP; Fig. 2A, B).
As for the average repeating distance (long period) of the lamellar stacks, an abrupt increase similar to the critical divergence was observed (from 25 nm to 50 nm) in the heating process.
The seasonal forecast refers to a range up to 6 months and requires the monthly or weekly model climatology, the atmosphere state average over a long period of time (typically 30 50 years).
To approximate the steady states, we follow the usual procedure of taking the average of a long period before and after the reform (see Van den Berg (1990) for an analysis of nonstationary job search models).
This framework is applied to (i) data averaged over long periods, and (ii) data obtained on one single day with given insolation.
Nine years ago, after retiring from 25 years of pushing bonds on pension and mutual fund managers trying to beat the market averages over long periods of time, Mr. Murray had an epiphany about the futility of his former customers' pursuits.
