患者男性,36岁,体检心电图示额面QRS心电轴为+15。
该患者的额面QRS心电轴属于()。
A.左偏
B.右偏
C.无偏移
D.极度左偏
E.重度右偏
参考答案:C
Ever since junior middle school , Jack as well as his sisters ______ of travelling around the world.
A.have dreamt
B.dreamt
C.has dreamt
D.dreams
SOTU10G间接调制色散容限值为多少?()
A.3200ps/nm
B.12800ps/nm
C.800ps/nm
D.400ps/nm