The Spanish troops were unruly, but formed an essential professional basis for the new army.

"But the essential basis for the rules is that a broadcast signal can be picked by anyone at any time."

An essential basis for all hair in 1992 will be an awareness of condition and texture.

The essential basis of these criticisms is that the words being compared do not show common ancestry; the reasons for this vary.

It sustains all other activities; it's the essential basis of economies, societies and human life.

This experience convinced him that reliability was the essential basis for all engineering achievement.

As such, it is the essential basis of all valid deductive inferences.

The Oriente's rainforest remains the essential basis of their physical and cultural survival.

Such an overview of Europe's scientific and technological capacity is an essential basis for future planning.

It would be a considerable contribution not only towards promoting education but also an essential basis for lifelong learning.