Aiming to calculate oil for the motherland - Yuan Yirang, a computational mathematics and applied mathematician
【Cultivating a good style of study】Aiming to calculate oil for the motherland -- Yuan Yirang, a computational mathematics and applied mathematician 
【Cultivating a good style of study】Aiming to calculate oil for the motherland -- Yuan Yirang, a computational mathematics and applied mathematician 【Cultivating a good style of study】Aiming to calculate oil for the motherland -- Yuan Yirang, a computational mathematics and applied mathematician 【Cultivating a good style of study】Aiming to calculate oil for the motherland -- Yuan Yirang, a computational mathematics and applied mathematician 【Cultivating a good style of study】Aiming to calculate oil for the motherland -- Yuan Yirang, a computational mathematics and applied mathematician 【Cultivating a good style of study】Aiming to calculate oil for the motherland -- Yuan Yirang, a computational mathematics and applied mathematician 【Cultivating a good style of study】Aiming to calculate oil for the motherland -- Yuan Yirang, a computational mathematics and applied mathematician 【Cultivating a good style of study】Aiming to calculate oil for the motherland -- Yuan Yirang, a computational mathematics and applied mathematician 【Cultivating a good style of study】Aiming to calculate oil for the motherland -- Yuan Yirang, a computational mathematics and applied mathematician 
