Computer · Surveying
इलेक्ट्रॉनिक दूरी मापन (EDM) उपकरण आमतौर पर वाहक तरंगों (carrier waves) के रूप में निम्नलिखित में से किसका उपयोग करते हैं?
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- 1प्रकाश या अवरक्त (infrared) तरंगें✓
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प्रकाश या अवरक्त (infrared) तरंगें
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