The phrase "are substantially simpler" is correct and usable in written English.
You can use it when comparing the complexity of two or more things, indicating that one is much easier to understand or deal with than the other.
Example: "The new software features are substantially simpler than the previous version, making it more user-friendly."
Alternatives: "are significantly easier" or "are much less complex."
It would be substantially simpler for a terrorist to become infected with this disease, remaining infectious for months or years without being obviously sick, and potentially infecting someone in the mall or on the subway with every cough or sneeze.
The argument is substantially simpler than the known ones for the cases of strongly pseudoconvex domains and pseudoconvex domains of finite type in C2.
It should be noted that in [1] a condition on the transfer matrix M is given for self-adjointness; however, for the case of det M ≠ 0, where the entries of M are real, the proof presented above is substantially simpler.
It is substantially simpler, and it makes it possible to specifically address gene function in adults even in those cases where the focal gene is also expressed in the embryonic, larval or pupal stages.
In conformity with this continuity principle [ 6, 7], it appears almost certain that the genetic code employed by the primordial translation system was substantially simpler than the modern code, which then evolved incrementally.
The process parameters are chosen in relation to the practical situation; however, the mechanical properties of the extrudate are substantially simplified: a simple elasto-plastic constitutive model is used and the yield strength of the material is reduced so that spheronisation is obtained after a relatively small number of impacts.
This means that systemic levels are substantially below what might be predicted based on simple dilutional calculations.
As observed previously, the mature fibrils of polyQ peptides containing HTT flanking sequences are substantially different in EM morphology from the amyloid produced by simple polyQ peptides.
There is a simple, inescapable fact about our long-run deficits -- they are substantially attributable to our bloated private health care expenditures.
