Adaptation is generally difficult to specify because of its cross-cutting impact on software.
Factors contributing to urban differences in cancer mortality rates are difficult to specify because of migration and the delay between exposure to carcinogens and manifestations of the disease.
In addition, many estuaries are highly urbanized and reference conditions are difficult or impossible to specify because of large changes in habitat, water diversion, and the introduction of exotic species (Nichols et al. 1986).
Principal diagnosis is often specified because the number of diagnosis fields reported can differ between administrative datasets, in which case the comparability can be an issue.
But no dinosaurs or plesiosaurs or pterodactyls are specified, because the authors did not know of their existence.
On the other hand, web was the last to be specified because it has the largest number of dependencies.
According to our methodology, the common layer was the first to be formally specified because it has the smallest number of dependencies.
A multitude of sins are covered, but never specified, because we are too kind-hearted, too polite and ultimately, too soft.
In real world applications the supply, the demand and the transportation cost per unit of the quantities in a transportation problem are hardly specified precisely because of the changing economic and environmental conditions.
One of which is that nnSEM can specify models that cannot be specified using SEM because of the negative degrees of freedom.
