The principal amount of loans is amortized by the periodic, usually monthly, payment of a fraction of the principal calculated to repay the entire amount of principal due.
贷款的本金被周期性的(通常以月为单位)付款所分期摊销。这种还款是按照应付全部本金计算出的。
2
The bandgap wavelength can be chosen by arranging the periodic array of voids to have a lattice constant a fraction of the bandgap wavelength.
可以通过以下方法来选择带隙的波长：排列周期性空位，使得其点阵常数等于带隙波长的一部分。
3
In this paper, a kind of accelerating convergence factors are obtained for limit periodic continued fraction.