The "field width" specifier allows buffer overflows, and the field width and the precision width specifiers look almost identical — the only difference is that the safe version has a period.
But when they looked at how the identical twins behaved over the course of the 12-year study period, they found marriage did have an active effect.
他们对一对同卵孪生兄弟进行为期12年跟踪研究发现，婚姻是对他们行为确实有重要影响。
3
The correlation algorithm in training period and the LMS algorithm in run period can be combined in the identical transversal filter structure, so that it speeds up the channel estimator convergence.