principal value

基本解释

Principal value is not guaranteed. Accumulated Value will fluctuate, and it is possible to lose money.
累积现金价值根据投资情况波动，不保证本金不发生亏损
If sampling length doesn't adapt rotative velocity, the results of calculation by FFT or periodogram analysis will lead to pseudo-periods, which distorts the principal value function terms.
若采样长度与回转速度不吻合，将会出现伪周期，使主值函数项中提取周期成分后的信号失实。
Poetry writing is under the influence of the cognizance of principal value, the change of cultural environment, and the diversity of writing fettle, which text distance derived from constantly.
诗歌文本在书写的过程中，受主体价值认定、文化环境的变迁、书写状态的差异等因素的影响，其文本距离不断衍生。

Then you want to add the present value of the principal and that's the formula.
最后还要加上债券面值的现值,这就是债券定价公式
耶鲁公开课 - 金融市场课程节选
Core electrons are all those electrons held in really tight with the nucleus in the inner shells, whereas the valence electrons are only those electrons that are in the outer-most shell, or at your highest value of n of the principal quantum number.
芯电子是那些,在内壳层被原子核束缚得非常紧的电子，而价电子只包括,最外层的电子，或者说主量子数，n，的值最大的那些电子。
麻省理工公开课 - 化学原理课程节选

Thus he gets a payout based on a bigger principal value, plus make-up payments, too.
FORBES: The new giving game
The tax now stands at 10% of the principal value, and many investors were so keen to leave that they were willing to pay it.
ECONOMIST: Malaysia’s stockmarket