developmental zero meaning in Hindi

• परिवर्धन शून्य • विकास आरंभ बिंदु • विकासआरंभ बिंदु

developmental: परिवर्धन
zero: शून्य जीरो सिफ़र

Its developmental zero was 11 . 01 , and effective temperature constant for one generation was 791 . 27 day - degrees