Sentence examples for presented major challenges from inspiring English sources

For the F.D.A., the Nissen analysis presented major challenges.

Mr. Khalikov said that natural disasters presented major challenges for any government and that it was too soon to gauge the extent of Myanmar's cooperation with the international aid effort.

Where once it was somewhat easier for striving low-income people (or, at least, their children) to ascend to the working and middle classes, in recent years stagnant wages, the decline of unionization of the private work force, insufficient subsidies for child care and skyrocketing college tuition have presented major challenges for those trying to escape from poverty.

The process of setting up production presented major challenges.

The construction of sufficiently small and light cameras with a timer mechanism, and the training and handling of the birds to carry the necessary loads, presented major challenges, as did the limited control over the pigeons' position, orientation and speed when the photographs were being taken.

Large differences in this lower limit between different instruments, combined with the arbitrary nature of the fluorescence units used in real-time PCR, presented major challenges for automated selection of the start cycle.

The goal of reducing deforestation, however, presents major challenges.

However, the choice of appropriate outcome measures still presents major challenges.

However, the development of Multi-Agent Robotic Systems (MARS) still presents major challenges.

Investigation of the sustainability of programme outcomes presents major challenges for research design.

They also present major challenges in determining structure-property relationships, in particular the location, density and properties of the site (or sites) at which reversible Li uptake occurs.