Computer · Surveying
श्रृंखला सर्वेक्षण (chain surveying) में झोल (sag) के कारण होने वाला सुधार (correction):
- 1कभी धनात्मक और कभी ऋणात्मक होता है
- 2हमेशा ऋणात्मक (subtractive) होता है✓
- 3हमेशा धनात्मक (additive) होता है
- 4हमेशा शून्य होता है
सही उत्तर देखें
हमेशा ऋणात्मक (subtractive) होता है
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