But that assessment was challenged last week by the panel of the National Research Council, which said that the reactors would be "unacceptably large."

The reactor masses, the report found, "appear unacceptably large to operate major space-based weapons."

But the tank still shed several unacceptably large pieces, weighing up to a pound, that could have done severe damage.

At higher frequencies, the power lost to this dissipation becomes unacceptably large.

In an accident, what forces come to bear on children's bodies, and are those forces unacceptably large?

An estimated 25% of the US natural gas reserves contain unacceptably large quantities of nitrogen.

The method was rather successful because systematic errors in visual observations of some planets, such as Mars, were unacceptably large.

Second, using a single thread to collect garbage results in an unacceptably large sequential fraction for any application.

Might these include an unacceptably large number of excess seats?

This should also apply to military air traffic, which, particularly in France, is still able to occupy an unacceptably large part of the airspace.