前前后后: the whole story; the ins and ...算法: algorithm前前后后演算法: forward-backward algorithm前前后后: the whole story; the ins and outs; from front to rear 一件事情的前前后后 the ins and outs of a matter上上下下;前前后后: uand down达尔文时代的前前后后: before and after darwin一件事情的前前后后: the ins and outs of a matter向后算法: backward algorithm向前向后算法: forwardbackward algorithmm前前桥: front front axle后后桥: rear rear axle前后: 1.(时间接近) around; about 春节前后 around the spring festival2.(自始至终) from start to finish; from beginning to end; altogether 这篇小说从动笔到定稿, 前后用了一年时间。 the novel took a year to write altogether, from start to finish. 他前后来过四五次。 he has been here four or five times altogether.3.(前面和后面) front and back 受到前后围攻 be attacked both front and back; be caught between two fires; 房子前后都是果树。 there are fruit trees in front and at the back of the house秋后算帐: square accounts after the autumn harvest -- settle accounts with sb. afterwards; rake things up against sb.; wait one's opportunity to settle accounts with sb.; wait until after a political movement is over to settle accounts with the leadership or the masses◇秋后算帐派 people who bide their time to take revenge秋后算帐派: people who bide their time to take revenge当前前缀: current prefix突前前锋: front-most striker向前前面的: forward肛后后毛: posterior postanal seta然后后来: afterwards前向滞后算子: forward lag operator算法: algorithm◇算法语句 algorithmic statement; 算法语言 algorithmic language (algol)后后牛顿近似: post post newtonian approximation髂腹后后神经: caudal iliohypogastric nerve在客人到达之前前: before the guests arrive术后后期副作用: late post-operative side effects