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I

It is assumed that the eigenvectors of A span the n-dimensional space.

The two parallel lines on the lapped area straddle the hair line on the graticule.

II

The air supply is cut (or shut) off immediately.

The air blows to atmosphere until it is shut down.

III

In order to override the natural and man-made noise the pulse had to be very intense.

Источник: Русско-английский научно-технический словарь на Gufo.me