刚刚能引起感觉的最小刺激强度,叫做()
A.绝对感觉阈限
B.差别感觉阈限
C.绝对感受性
D.差别感受性
参考答案:A
A. don't there B. didn't there C. isn't there D. doesn't there
激光治疗时操作者应做好激光的防护,包括()和()的防护。