( ( In comparison ) ( , ( ( for ( ( the ( IS-2 ( tank 's ) ) ) ( D-25 gun ) ) ) ( ( ( the ( average ( projectile deviation ) ) ) ( from ( the ( aiming point ) ) ) ) ( ( ( did not ) ( ( ( exceed ( ( 170 mm ) ( in ( ( the ( vertical ( and ( 270 mm ) ) ) ) ( in ( the horizontal ) ) ) ) ) ) ( during ( stationary firing ) ) ) ( at ( ( a range ) ( of ( 1000 metres ) ) ) ) ) ) . ) ) ) ) )
(ROOT (S (PP (IN In) (NP (NN comparison))) (, ,) (PP (IN for) (NP (NP (DT the) (NN IS-2) (NN tank) (POS 's)) (NN D-25) (NN gun))) (NP (NP (DT the) (JJ average) (NN projectile) (NN deviation)) (PP (IN from) (NP (DT the) (JJ aiming) (NN point)))) (VP (VBD did) (RB not) (VP (VB exceed) (NP (NP (CD 170) (NN mm)) (PP (IN in) (NP (NP (DT the) (JJ vertical) (CC and) (JJ 270) (NN mm)) (PP (IN in) (NP (DT the) (NN horizontal)))))) (PP (IN during) (NP (JJ stationary) (NN firing))) (PP (IN at) (NP (NP (DT a) (NN range)) (PP (IN of) (NP (CD 1000) (NNS metres))))))) (. .)))
In comparison, for the IS-2 tank's D-25 gun the average projectile deviation from the aiming point did not exceed 170 mm in the vertical and 270 mm in the horizontal during stationary firing at a range of 1000 metres.
(ROOT (S (NP (NNP Range)) (VP (VBZ is) (NP (NP (DT the) (NN term)) (PP (IN for) (NP (NP (DT the) (JJ horizontal) (NN displacement)) (PP (IN of) (NP (NP (DT a) (NN projectile)) (PP (IN from) (NP (PRP$ its) (JJ starting) (NN point))))))))) (. .)))