Sentence examples for it is difficult to establish from inspiring English sources

For complex network consisting of more than two fractional-order systems, however, it is difficult to establish its synchronization behavior.

As scopolamine is a non-selective muscarinic receptor antagonist, it is difficult to establish whether its behavioral effects are mediated centrally (cognitive) or peripherally (side effect).

It is difficult to establish an adequate system of law in China and requires more effort".

But, Ms. Marsh said, it is difficult to establish many plants without regular watering.

If there is no access to credit, it is difficult to establish a viable business.

Boivin-Roumestan says it is difficult to establish exactly how many children are affected.

It is difficult to establish a common denominator for all of the artistic expressions of the Islamic peoples.

It is difficult to establish a chronology of Proclus' works.

However, it is difficult to establish a relationship between the wear performance and TRS.

Unfortunately the evidence is contradictory and it is difficult to establish any points with certainty.

It is difficult to establish the accurate and fixed error model for the inertial sensor.