Sentence examples for is still a difficult factor from inspiring English sources

The translation from the laboratory results to the "real" site efficiency is still a difficult factor, because of the great number of parameters involved.

Yet it is still a difficult play to defend.

Notwithstanding many years of progress, visual tracking is still a difficult but important problem.

However, on the ground, ACP is still a difficult topic to broach.

However, predictable robustness of genetic networks is still a difficult task.

Despite advances, such as SHY, this is still a difficult problem that limits many studies.

But it was still a difficult moment for her.

A long convergence time however is still a challenging factor.

Certainly, price is still a factor.

The insurgency, though diminished, is still a factor.

Leon Lett is still a factor at defensive end.