• Lacking a satisfactory theory of the phenomenon, the first questions to be answered are necessarily very simple ones.

• The reader is urged to examine each proof carefully, step by step (or stepwise).

• It is best to adopt a practical step-by-step approach.

см. тж. вне пределов; далеко ~

• A shell of planetoids which surround the Sun, far beyond Pluto's orbit ...

• The Moon formed outside of the Earth's orbit and ...

• Eta Carinae is the brightest star outside the solar system.

• Beyond (or Outside) this range it is necessary to use inorganic materials.

• It would be difficult to maintain radio contact with a rocket much beyond the boundaries of the solar system.

• Galaxies external to our own ...

• These elements have a single electron outside of closed shells.

• Outside the confines of our solar system ...

• Beyond the loading point, K[sub]G[/sub] tends to increase rapidly with increasing G.

• Each impact of a molecule with (or on) a wall of the container ...

• The impact of the fluid may either tend to close or open the valve.

• Meteoric impacts (or hits) upon the skin of a rocket ...

• Radioactive dust particles ... collected by impaction against the adhesive surface ...

• Leaky valves often result from pounding of valves against their seats.

• A hammer blow on hard rock ...

• Operating day after day at low efficiency makes the machine more expensive the more you use it.

общая лексика

за неимением, за отсутствием