Sentence examples for requirements was difficult from inspiring English sources

Some early craft had only one airflow generating system, which was used for both lift and propulsion, but optimum efficiency for both requirements was difficult to achieve simultaneously, and separate systems are generally used.

Second, the COSMIC Function Point Method is not yet widespread in the software industry because applying measurement rules to imprecise and ambiguous textual requirements is difficult and requires additional human measurement effort.

Abused spouses sometimes try to use one of the current legal grounds – "habitual cruel and inhuman treatment" – to win divorce, but its requirements are difficult to meet.

With current approaches, these requirements are difficult to satisfy simultaneously.

None of these requirements are difficult or even terribly time-consuming.

These requirements are difficult to be satisfied when the above conventional frames are used.

Unfortunately, these requirements are difficult to satisfy because of unknown maneuver characteristics in real situations.

A lot of requirements are difficult to express and to assess using formal methods.

However, QoS requirements are difficult to satisfy because of the high variability of Internet workloads.

This article showed that the regulator's requirements are difficult to achieve, specifically when sensing allowed time is limited.

These requirements are difficult to achieve in the actual system due to assembly errors and manufacturing tolerances.