$lst_tit recursion$lst_titend$type_both
$(lst_syntax)recursion $emph fn$emphend for $emph v$emphend=$emph v1$emphend
to $emph v2$emphend [step $emph st $emphend], »ò <br/>
$ !recursion $emph fn$emphend for $emph v$emphend in
$emph v1,v2,v3,...$emphend</tt>
$lst_mean ÈñäÁ¿ $emph v $emphend Öð´ÎÈ¡´Ó $emph v1$emphend µ½
$emph v2$emphend µÄÖµ, µÝ¹éµØ¼ÆË㺯Êý $emph fn$emphend µÄÖµ. <p>
Èç¹ûÊǵڶþ¾äµÄÐÎʽ, ±äÁ¿ÒÀ´ÎÈ¡±í $emph v1,v2,...$emphend ÀïµÄÖµ. <p>
º¯Êý $emph fn$emphend ÄÚӦʹÓñäÁ¿ $emph last$emphend
±íʾÉÏÒ»´Î¼ÆËãµÃµ½µÄÖµ. ³õʼֵ¿ÉÒÔ·ÅÔÚWIMS±äÁ¿ <tt>$$recursion_start</tt> ÄÚ.