??I.II????
1????P-R>0.20??P?QRS?.
2???????P?QRS??2:1;3:2;4:3????????????????
(1)???-P-R??P?R-R??P;?PR-R?P-P???
(2)???????P-R???QRS???????1:1;2:1;3:1;3:2;4:3??QRS????
????????????QRS?;?????????QRS??
“??I.II????” 的相关文章
??
??????QRS?PR??????
?? 2010-04-23 18:11 ??2???? ???,, ?
??? 2010-04-23 18:20 ???????QRS???????P--R????
??? 2010-04-23 18:41 ????,?,...
?? 2010-04-23 18:11 ??2???? ???,, ?
??? 2010-04-23 18:20 ???????QRS???????P--R????
??? 2010-04-23 18:41 ????,?,...
?????
??????????????????????????????????????????????
?
????????????????????????????????????????I
?? 2010-11-11 16:50 ??? ??? ???
??? 2010-11-11 16:52 ???????????????????????????????????
?? 2010-11-11 16:55 ?? ??? ??? ???...
?? 2010-11-11 16:50 ??? ??? ???
??? 2010-11-11 16:52 ???????????????????????????????????
?? 2010-11-11 16:55 ?? ??? ??? ???...
???
?????????
????????????
? ???????????????????
????????????
? ???????????????????
???
?????????????????????
???N??????
???N??????