Sentence examples for number of difficult problems from inspiring English sources

The Yugoslav coup d'état led to a sudden change in the plan of attack and confronted the Twelfth Army with a number of difficult problems.

Factors such as developments in medical technology, for example, the use of frozen sperm, as well as changes in social trends due to wider recognition of ART are likely to lead to an increase in the number of difficult problems faced by the courts due to the gulf between the expansion of ART on the one hand and the delay in introducing a legal regulatory framework for ART on the other.

In order to recognize objects and scenes, the brain must solve a number of very difficult problems.

The ECBI is a parental report of conduct behavioural problems in children and adolescents that measures the number of difficult behaviour problems (intensity) and the frequency with which they occur [ 24].

The numerical scheme is verified on a number of difficult benchmark problems.

Iraq faces a number of difficult political problems that in sum could derail the national unity government created last year to give meaningful roles for Iraq's Shiites, Sunnis and Kurds.

The government of Zimbabwe faces a number of difficult economic problems, including infrastructure and regulatory deficiencies, ongoing indigenization pressure, policy uncertainty, a large external debt burden, and insufficient formal employment.

"I very much recognize we will have a number of tough and difficult problems to cope with in the next few years," Mr. Patten told reporters as he arrived at the airport in Beijing.

For this reason as well, fractionation raises a number of interesting and difficult problems for comparative genomics.

Born with essentially half a heart, Paul underwent a number of difficult surgeries and struggled with a host of problems associated with his condition.

The ECBI problem score measures the number of difficult behaviours.