The phrase "a core task in" is correct and usable in written English.
You can use it to refer to an essential or fundamental activity within a specific context or field.
Example: "Developing a marketing strategy is a core task in ensuring the success of the product launch."
Alternatives: "a fundamental task in" or "a key responsibility in".
A core task in machine learning, and the topic of this thesis, is developing faster and more accurate methods of posterior inference in probabilistic models.
Mr. Mukasey "is making sure there are no scandals or even appearance of scandals, and that's a core task in this day and age," said David Rivkin, a Washington lawyer who served in the Reagan and first Bush administrations.
Resource allocation is a core task in order to coordinate transmissions.
Hunting groups and individual mechanical beasts is a core task in Horizon, since you gain experience from this, and will also loot key components that you need to upgrade your equipment, increase ammo capacity and build replacement arrows and other munitions.
Hunting groups and individual mechanical beasts is a core task in Horizon, since you gain experience from this, and will also loot key components that you need to upgrade your equipment, increase ammo capacity and build replacement arrows and other munitions.
Understanding Pleistocene refugial distributions of species has been a core task in historical biogeography for at least four reasons.
A core task for commanders in charge of an emergency response operation is to make decisions.
EPI and ID defined both a core task (the same as Task 1 in GE09/11), and a full task, which additionally required modifications and secondary arguments to be found.
Meeting leaders like the Dalai Lama, and trying to mediate in the crucial talks he is holding with Beijing, is a "core task" of a foreign minister.
A core task for commanders is to make decisions [1-3].
The core task in experiment is to implement a Mach-Zehnder interferometer in which one path of the interferometer is in space, whereas the other other is situated on the ground (see [10]).
