( ( ( TORR ( -LRB- ( ( See Micron ) -RRB- ) ) ) ( ( A unit ) ( of ( ( measure equivalent ) ( to ( ( the amount ) ( of ( pressure ( in ( 1000 microns ) ) ) ) ) ) ) ) ) ) . )
(ROOT (NP (NP (NP (NNP TORR)) (PRN (-LRB- -LRB-) (NP (NNP See) (NNP Micron)) (-RRB- -RRB-))) (NP (NP (DT A) (NN unit)) (PP (IN of) (NP (NP (NN measure) (NN equivalent)) (PP (TO to) (NP (NP (DT the) (NN amount)) (PP (IN of) (NP (NP (NN pressure)) (PP (IN in) (NP (CD 1000) (NNS microns)))))))))) (. .)))
TORR (See Micron) A unit of measure equivalent to the amount of pressure in 1000 microns.
(ROOT (S (NP (DT A) (NN torr)) (VP (VBZ is) (NP (NP (DT a) (NN unit)) (VP (VBN used) (S (VP (TO to) (VP (VB measure) (NP (NN pressure)))))))) (. .)))
A torr is a unit used to measure pressure.