( ( Use ( of ( the ( transmission ( electron microscope ) ) ) ) ) . )
(ROOT (S (VP (VB Use) (PP (IN of) (NP (DT the) (NN transmission) (NN electron) (NN microscope)))) (. .)))
Use of the transmission electron microscope.
(ROOT (S (NP (DT A) (NN electron) (NN microscope)) (VP (VBZ is) (VP (VBN used) (S (VP (TO to) (VP (VB see) (NP (ADJP (RB extremely) (JJ small)) (NNS objects))))))) (. .)))