在这两起事务中，此时使贰心情更极重繁重的莫过于丢现金这一路了。

Of the two events, the cash loss-at this moment-weighed more heavily on him.

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丢番图方程是数论中一个十分重要的研究课题，与代数数论、组合数学、代数几何等有密切联系。

Diophantine equation is an important subject in number theory and closely connected with algebraic number theory, combinatorics, algebraic geometry and computer science etc.

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他交给更上一层协议，不管怎么样，去侦测丢包和是否重法。

It is up to higher layer protocols, however, to detect this datagram loss and initiate a retransmission if desired.

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