Sentence examples for essential and requires from inspiring English sources

Hence the evaluation of environmental impacts is essential and requires multiple indicators, appropriate for measuring the state and the interactions of the interrelated social and environmental variables and its relation to ecosystem services.

The manipulation of nano-objects is also essential and requires expertise in several domains (mechanics, electro-chemistry, optics...) [3 5].

The baby is important, but the relationship between the married couple is equally essential and requires time and effort.

Therefore, the surveillance of influenza virus strains that are circulating regionally and globally is essential and requires highly sensitive and accurate diagnostic tests.

Defining the target standards for each criterion of care is also essential and requires a fine balance between standards which are ideal and standards which are feasible.

In this regard, the prevention of overweight in children and adolescents is essential and requires an understanding of possible causative factors.

Monitoring performance is essential and required to maintain performance and is beyond the owner's capacity to perform.

The deep understanding of operation mechanism of ssPSCs is essential and required to furtherly improve device performance.

"I cannot emphasize enough that material and financial support for the full establishment of the East Timorese police and military are essential and require urgent action," the secretary general said.

"I cannot emphasize enough that material and financial support for the full establishment of East Timor's police and military are essential and require urgent action," Mr. Annan said in a recent report to the Security Council.

Self contained backup bearings are essential and required for magnetic bearing supported rotors in flywheel energy storage systems, auxiliary power units/integrated power units, and gas turbine engines.