??
???,:1? 2? 3? 4? ??,?? ?????.
???
??
???
?
?????????????????????????0.12S??????????????
???
?
1PavfIII????AVR??????????????
2PQRS??0.12S.(P??QRS ???????????????0.12S)
??????100~60??100~150???60~40?
????75??0.8S??????0.12S????
“??” 的相关文章
????? ?
??????????????????
???
?????
2 ?40???????2??79/?P-R0.14sQRS?0.09s2P-QRS-T???35791113P-QRS-T??????????????T???2 ? ??????????????PP????PP??????????????????????????????????32??Schamroth???P-P??P-P????????P-P??32???1?IIP1 P3P4 P7V5P2 P5P6 P7P-P???2??????P-P?32??S-S?0.50sP-P?0.72s?S-P??0.22s???????
2 ?40???????2??79/?P-R0.14sQRS?0.09s2P-QRS-T???35791113P-QRS-T??????????????T???2 ? ??????????????PP????PP??????????????????????????????????32??Schamroth???P-P??P-P????????P-P??32???1?IIP1 P3P4 P7V5P2 P5P6 P7P-P???2??????P-P?32??S-S?0.50sP-P?0.72s?S-P??0.22s???????
??
???????????????????????1?N1?????????????????? ????????????????????????????????????????????????????
????????????
?
??
??
???
??
??
1.???50???
2.??40?????????
?
1.???50????
2.??40?????????
3.????????
4.??
5.???
?? 2010-11-19 23:24 ...
????????????
?
??
??
???
??
??
1.???50???
2.??40?????????
?
1.???50????
2.??40?????????
3.????????
4.??
5.???
?? 2010-11-19 23:24 ...
??
?????60100
?
1.???50????
2.??40?????????
3.????????
4.??
5.???
???????????????????????????????????????????
?????????????
???????????????????????????60100?????????????
???????????????????????????????????????????????????
?????????????????????????????
?????????????
????????
?
1.???50????
2.??40?????????
3.????????
4.??
5.???
???????????????????????????????????????????
?????????????
???????????????????????????60100?????????????
???????????????????????????????????????????????????
?????????????????????????????
?????????????
????????
?
??????
??????
z????????
w
?
????
???
?????
?????
???
??????
z????????
w
?
????
???
?????
?????
???