The phrase "a continuing activity" is correct and usable in written English.
It can be used to describe an action or process that is ongoing or not yet completed.
Example: "The project involves a continuing activity of research and development to improve our product line."
Alternatives: "an ongoing process" or "a persistent action".
The on-orbit calibration of ACIS is a continuing activity.
"There is a continuing activity, of course, combing of the area and everything connected to it," he said in the video.
Driving through his home region, Mr. McAllister pointed out a remarkable number of oil tanks and fuel trucks — the sign, he said, of a gasoline-smuggling ring, a continuing activity left over from the Troubles.
OSCAR3, and OPSIN, were produced as a continuing activity by a mixture of summer students, PhDs and PDRAs and, until ca. 2009, evolved rather than having a top-down software design.
In his comments today, Mr. Puno said, "The government is concerned about this kind of thing becoming a continuing activity".
In May the PCC's chair, Lady Buscombe, told Radio 4's Today programme: "If there was a whiff of any continuing activity in this regard, we would be on it like a ton of bricks.
Internal assessment within units or departments, which should employ standard audit methodology, is recommended as a systematic and continuing activity with a significant annual output of departmental audit data.
Whilst the sole outlier is found near Lm = 20 for the cross-section B−B′ and occurred within 2000 s, this might be triggered by coseismic stress changes rather than a propagating slow slip, since this location appears to be susceptible to a small stress observing the continuing activity resulted in a cluster (see also Fig. 1).
They tried to stimulate a resident in continuing activities he/she used to perform, and paid attention to the things that characterized a particular resident, with the ultimate goal to continue a resident's self and identity: She is also quite interested in her appearance with her lipstick and her jewellery.... Yes, she does find personal care important.
In a list of alleged continuing "activities against the US" while a prisoner, the files quote other prisoners admitting he "passed information to other detainees" and "had the necessary power and control [over the detainees] to issue an order for other detainees to attempt suicide".
"(a) Actions include new and continuing activities, including projects and programs entirely or partly financed, assisted, conducted, regulated, or approved by federal agencies; new or revised agency rules, regulations, plans, policies, or procedures; and legislative proposals...
