| 释义 |
nounthe technique of establishing precise reference lines and planes by means of telescopic sights, especially for the purpose of aligning machinery, machine-shop work, etc. Words nearby optical toolingoptical rotation, optical scanner, optical scanning, optical sound, optical soundtrack, optical tooling, optical tweezers, optical wedge, optic axis, optic canal, optic capsule Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 |