外阴血肿应选用的外治法是()
A.坐浴
B.外阴冲洗
C.贴敷
D. * * 纳药
E.中药离子导入
参考答案:C
如果圆(x-2a)2+(y-a-3)2=4上总存在两个点到原点的距离为1,则实数a的取值范围是______.
The expression FIRST MAGNITUDE is usually used to refer only to bodies of magnitude().
A.1.5 and greater
B.1.25 and greater
C.1.0 and greater
D.0.5 and greater