Standar DT-2 Electronic Latitude Meter, ET Series Electronic Latitude Meter ye luui në digital angular measurement system.
Standar DT-2 electronic longitude meter, horizontal, vertical angle reading resolution is 1″, 5″, angle measurement accuracy is 2″, 5″. Standar DT-2 electronic longitude meter, horizontal, vertical angle reading resolution is 1″, 5″, angle measurement accuracy is 2″, 5″.
Standar DT-2 Electronic Latitude Meter, ye tɛ̈n ye tɔ̈ɔ̈u në thoŋ Chinese yic, ye tɛ̈n ye tɔ̈ɔ̈u në thoŋ Chinese yic, ye tɛ̈n ye tɔ̈ɔ̈u në thoŋ Chinese yic