Sentence examples for main difficulties is from inspiring English sources

Although several variants and an increasing number of applications have appeared, one of its main difficulties is how to select suitable parameter values.

One of the main difficulties is that there are roughly 11 different agencies, from the prison services through to the varying strands of military and police, now competing with each over the same diminishing pot of money.

In a job like his, one of the main difficulties is establishing effective communication.

However, the fabrication of high quality crystalline InN is not straightforward; one of the main difficulties is the lack of a suitable substrate.

One of the main difficulties is the large interfacial thermal resistance between AC and ceramic matrices, which radically increases phonon scattering, and accordingly decrease the interfacial thermal transfer within the composites.

One of the main difficulties is that any proof of Lawson's conjecture has to exploit the assumption that (Sigma ) is embedded, as well as the condition that (Sigma ) has genus (1).

For us, the singers, one of the main difficulties was keeping it together emotionally while performing these pieces.

The main difficulties are that: usual Lq Lr estimates for the Stokes flow fail in this case; and the projection operator P L1(Rn+)→L1σ(Rn+) becomes unbounded.

The main difficulties are due to the fact that the inner product structure of Hilbert spaces fails to be true in Banach spaces.

Due to the undecided number of nodes even during a short duration, the main difficulties are mobility property and reasons for node failure.

His main difficulties are now seen as evident signs of dyslexia, a disability that was poorly understood at the time.