Optical square

The optical square uses a pentaprism to reflect and refract a beam or sighting 90 degrees, it is used in pairs in surveying and in a singular block in metrology.

单词	Optical square
释义	Optical square 英语百科 Optical square The optical square uses a pentaprism to reflect and refract a beam or sighting 90 degrees, it is used in pairs in surveying and in a singular block in metrology.
随便看	fascia of Tarin,fascia tarini的意思 fascia of Tenon的意思 fascia of thigh的意思 Fascia of trunk的意思 Fascia of upper extremity的意思 fascia of urogenitai trigone的意思 fascia of urogenital diaphragm,inferior的意思 fascia of urogenital diaphragm,superior的意思 fascia orbitalis的意思 Fascia padotidea的意思 fascia palpebralis的意思 fascia panel的意思 Fascia parotidea的意思 fascia parotidea masseterica的意思 Fascia parotideomasseterica的意思 fascia passer and hook的意思 fascia pectinea的意思 fascia pectinea,pectineal fascia的意思 fascia pectoralis的意思 Fascia pectoralis superficialis的意思 fascia peivis parietalis的意思 Fascia pelvis的意思 fascia pelvis inferior的意思 Fascia pelvis parietalis的意思 fascia pelvis superior的意思