Under both types of loan, the principal sum immediately reduces every time a loan instalment is made.

在这两类贷款中，每一次缴付贷款分期付款，本金数额将会随之减少。

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Interest on time deposits is payable only at maturity of the deposit period, when it will be credited to the principal sum in the absence of instructions to the contrary.

定期存款的利息只可在存款期满时支付，而在没有相反指示之情况下，将会在存款期满时纳入本金。

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An outlier detection algorithm based on principal component analysis and the sum of attributes distance is proposed.

提出了一种基于主分量分析和属性距离和的孤立点检测算法。

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The accounts in Swiss banks will be taxed at between 19% and 34% by the Swiss authorities on the principal sum, depending on how long the account has been running.

BBC: MEPs: Investigate UK-Swiss tax agreement

Debts are often best tackled by paying off the principal lump sum.

BBC: Why banks are likely to face more software glitches in 2013

In its Victorian incarnation, a tontine was an investment pool to which a group of speculators contributed capital, the principal and interest to be distributed in a lump sum years later to the last survivor.

FORBES: A 10% Annual Payout For Retirees