This means that it is difficult to adopt the MNPC in dynamic environment navigation.
It is difficult to adopt a traditional control system design methodology to obtain a control system with satisfactory performance.
However, it is difficult to adopt an accurate number to express an individual's fitness because the customers' cognition of evolutionary population is uncertain, and to solve the users' fatigue problem in IGA.
However, although this technology has several merits, it is difficult to adopt in every coal mine, especially deep buried soft rock coal mines, where the entryway convergence is extremely severe (Zhang et al. 2012; Kong et al. 2014).
There are many differences in culture, community identity, community participation, and ownership between communities in Western and Asian countries; thus, it is difficult to adopt the results of community intervention studies from Western countries.
It is difficult to adopt the notion of equivalence of care within an Irish context as there are currently no Irish national standards for equipment in general practice surgeries.
It may be difficult to adopt a holistic approach routinely in busy practices as it is potentially more time-consuming than the biomedical model [ 17].
Senator Paul S. Sarbanes, the Maryland Democrat who heads the banking committee, agreed that it would be difficult to adopt significant legislation, particularly in view of the current deregulatory climate in Washington and the influence of the accounting industry.
However, it may be difficult to adopt similar strategies to RNAi screening studies for drug sensitivity evaluation because, firstly, our main interest focuses on testing the gene-drug interactions, therefore in addition to siRNAs whose gene-drug interaction effect showed significance, the final model also needs to include drug effect regardless of its statistical significance.
On another occasion and against less forgiving opposition it might have been difficult to adopt such a positive approach.
