"large-scale activities" is a correct and usable phrase in written English.
You can use it to refer to activities that involve a large number of people or require significant resources. For example, you might say, "The government is planning large-scale activities to boost the economy."
The case for membership "EU funds provide for large-scale activities of expertise across multiple countries.
"But the fact that we seem to have one incendiary, misogynistic act a year seems to say that the university isn't being punitive enough against these large-scale activities".
This model is capable of addressing work days, holidays, and large-scale activities, and it provides data support for transportation planning and holiday operation schemes at the network level and the implementation of gradual improvement plans over different time periods [16, 17].
There was a community hall in the neighborhood, where large-scale activities were held.
This included launching large-scale activities to disseminate cholera-prevention messages during faith and inter-faith gatherings.
"In recent years, the making of portraits has often followed a period of large-scale activity and energy working en plein-air," she said.
It could represent either large-scale activity on Silk Road, or some form of investment or partnership, but this is pure speculation".
The sale, licensing, and trading of technology have become a large-scale activity.
In contrast to axisymmetric geometries, large-scale activity and periodic shedding are here drastically suppressed at medium and low FAVR operation.
The project was part of a large-scale activity conducted over a 3-year period and was funded by the EPSRC under their Software Engineering for Business Process Change programme.
Tern skins and feathers have long been used for making items of clothing such as capes and hats, and this became a large-scale activity in the second half of the nineteenth century when it became fashionable to use feathers in hatmaking.
