The

Determiner

  microstructures

Noun

  of

Adposition

  martensite

Noun

  and

Coordinating conjunction

  bainite

Noun

  at first

  seem

Verb

  quite

Adverb

  similar

Adjective

.

The microstructures of martensite and bainite at first seem quite similar.

The microstructures of martensite and bainite at first seem quite similar.