例句與造句

1. "' Patterning by Etching at the nanoscale ( PENs ) "'is a soft lithographic technique in which the bonds in the polydimethylsiloxane ( PDMS ) matrix are broken to controlably etch PDMS ( i . e . dissolve ) at a slow rate along the outside of a PDMS channel formed with a patterned PDMS stamp applied to a surface.
2. It's difficult to find patterning by etching at the nanoscale in a sentence. 用patterning by etching at the nanoscale造句挺難的