There was an indefinite prolongation of the peace talks.

和平会谈被无限期地延长了。

The firm refused them a prolongation of the terms of payment.

该公司拒绝了他们延长付款期限的要求。

In this case, prolongation of life should trump reproduction.

既然这样，延长寿命就要重于繁衍后代。

On request of prolongation of time limits the applicant pays fees.

请求延长该等期限时，申请人应缴纳费用。

Prolongation of the duration of lochia resulted from complex factors.

恶露持续时间延长的原因是多方面的。