The New Encyclopædia BritannicaEncyclopædia Britannica, 1983 - Encyclopedias and dictionaries |
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Page 373
... surface forward of the wing have been tried , but the normal arrangement is to provide a small horizontal surface ( stabilizer ) well aft of the main wing system ( i.e. , at the tail of the air- craft ) designed so that its lift ...
... surface forward of the wing have been tried , but the normal arrangement is to provide a small horizontal surface ( stabilizer ) well aft of the main wing system ( i.e. , at the tail of the air- craft ) designed so that its lift ...
Page 931
... surface with setae , and contracting body muscles . When the worm begins a forward movement , circular muscles at the anterior end contract , extending the head forward . At the same time the anterior end lifts from the surface to ...
... surface with setae , and contracting body muscles . When the worm begins a forward movement , circular muscles at the anterior end contract , extending the head forward . At the same time the anterior end lifts from the surface to ...
Page 1034
... surface flow is continuously replaced by a landward flow of seawater at greater depths . Varia- tions of this basic pattern are produced either by dif- ferences in size and shape of the estuary or by differences in the relative ...
... surface flow is continuously replaced by a landward flow of seawater at greater depths . Varia- tions of this basic pattern are produced either by dif- ferences in size and shape of the estuary or by differences in the relative ...
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accelerator acid activity Adams administrative advertising Aeschylus aesthetic Africa agriculture animals appear become body called Central century changes contains continued cost countries crops cultural dance early East effect electrons elements engineering established example farm feet field figures flight followed function human important increase industry influence Italy Khoisan Knossos known Lake land languages later less living major materials means ment natural occur operations organization original patterns percent performance period plants play political population present production range region remains represented result River society sound South southern species structure style theory tion traditional United usually variety West Western widely