风险理论是当前精算界和数学界研究的热门课题。
In the present actuarial science and mathematics research, risk theory is a hot topic.
风险理论是当今精算界和数学界研究的热门课题。
Nowadays, risk theory is a hot topic both in actuarial science and mathematics research.
风险理论是当今精算界和数学界研究的热门课题。
Nowadays, risk theory is a hot topic both in actuarial science and mathematics research.
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