A recursive prediction error algorithm which converges fast is applied to tra.采用了收敛速度较快的递推预报误差算法训练神经网络.They were both fast asleep in their cots...他们俩在婴儿床上酣睡着。The cabby beat his horse into a sort of imitation gallop which...
Many of those changes could just be a temporary fix.那些变革中可能有很多只是权宜之计。He was egocentric, a man of impulse who expected those around him to serve him.他是个以自我为中心、易冲动的人，希望身边的人都为他服务。...those fellows we see working behind the c...
地衣是一类独特的生物有机体,其体内合成了多种特殊的次生代谢产物,主要为缩酚酸、缩酚酸环醚 、 缩酚酮、二苯并呋喃等类化合物.A lot of secondary metabolites such and were produced by lichens, a class of unique organisms....