A theoretical framework explaining the concept of returning to a previous state or place after an interval.

पुनः प्रवेश का सिद्धांत

English Usage: The scientist discussed the theory of re-entry during the conference on space exploration.

Hindi Usage: वैज्ञानिक ने अंतरिक्ष अन्वेषण सम्मेलन के दौरान पुनः प्रवेश के सिद्धांत पर चर्चा की।