'theoretical needs' is a correct and usable phrase in written English.
Example Sentence: My theoretical needs were not being met by the current system.
Indeed, philosophers have variously interpreted and tuned these four neutralities according to their theoretical needs.
An EC site is conventionally selected to meet the theoretical needs of a large, homogeneous, and flat landscape.
When we start a new study, there are many decisions to make, each of which are related to a variety of regulations, theoretical needs and practical realities.
Similarly, when are 30- and 40-year-old householders not going to put the immediate needs of their growing family before the still highly theoretical needs of their retired selves, 25 or 40 years off?
The theoretical needs of research with palliative patients, however, must be weighed against patient burden.
However, a battery of orientation tasks that could address both clinical and theoretical needs is not, at present, available.
There is a theoretical need, then, for an account of self-representations that could be had by cognitively primitive creatures, such as animals and human infants (for discussion, see Peacocke 1994).
If punctuation were logical, we wouldn't use the same mark for initials as we do to end a sentence, creating a theoretical need for double periods in sentences like: He got his B.A. If punctuation were logical, we wouldn't have a mark in book publishing that is nonexistent in news media, the en dash.
It was estimated that the actual demand for inpatient health care services in Kenya is only 17% of the theoretical need.
The calculated gap between actual calcium substitution and the theoretical need resulted in an estimated total calcium loss of 14.25 mol (about 571 g).
While there is a theoretical need for large prospective studies to confirm these findings for individuals with CF, we believe the longitudinal outcome benefits associated with exercise outweigh the risks.
