Sentence examples for are difficult and need from inspiring English sources

The electrochemical reactions are difficult and need a lot of explanation.

However, Borucki admits that the measurements "will be difficult and need a lot of work".

Again, ethical issues are considered to be difficult and need clarification.

CDC investigators acknowledged in their report that testing for Zika is difficult and needs to be improved.

A transition to democracy in Sudan will be difficult and needs robust support from the United States and African leaders.

The conventional approach of estimating actual evapotranspiration is difficult and needs more calculations and extensive data on soil-plant-atmosphere.

Treatment of CM is difficult and needs multidisciplinary approach.

This is difficult and needs to be overcome by trial assays.

"Reporting the results of a research to the public and other users is difficult and needs special training".

Apparently, implementation of a protocol, once it has been set out and accepted, is difficult and needs more attention [ 13, 18, 19].

Diagnosis of gastrointestinal food allergy is known to be difficult and needs a strict differential diagnostics and may be missed when serological, endoscopic and histological features are inconspicuous.