Sentence examples for this theory needs from inspiring English sources

In the end all this theory needs some empirical ballast.

Jannini and others point out, however, that this theory needs more confirmation.

However, this theory needs to be investigated with more details, in order to establish the connection between E p and Esb occurrence.

The other issue is that if there really are a lot of other particles beyond what's in the Standard Model, then this theory needs some serious revision.

However, this theory needs to be explored further in future studies.

However, this theory needs further investigation.

Why this theory needed to be backed up by actual research is unclear.

However, the theory of boundary value problems for nonlinear q-difference equations is still in the initial stages and many aspects of this theory need to be explored.

However, the theory of BVPs for nonlinear fractional differential equations is still in the initial stages and many aspects of this theory need to be explored.

However, the theory of boundary value problems for nonlinear fractional differential equations is still in the initial stages and many aspects of this theory need to be explored.

Furthermore, the theory of boundary value problems for nonlinear impulsive fractional differential equations is still in the initial stages and many aspects of this theory need to be explored, we refer the readers to [1, 2, 15 17].