At regular intervals, the corporation deposits cash into this sinking fund.

公司定期把现金存入偿债基金。

At regular intervals , the corporation deposits cash into this sinking fund.

公司定期把现金存入偿债基金.

To liquidate ( a debt, such as a mortgage ) by installment payments or payment into a sinking fund.

分期偿还,分期付款用分期付款和偿债基金的形式偿清 ( 债务, 如抵押 )

If you read English histories, the sinking fund was an English invention.

如果你看英国人的历史, 那么偿还基金的发明专利就是英国人的.