基带传输
参考答案:
基带信号不使用调制和解调装置而将其直接在信道中传输,就称为基带传输。
患者男性,35岁,因“肾移植手术后1个月出现体温升高”就诊。实验室检查:肾功能降低,少尿,尿中白细胞增多。
患者出现的排斥反应是()
A.超急性排斥
B.急性排斥
C.慢性排斥
D.迟发型排斥
E.亚急性排斥
Signs and symptoms of retinal detachment include which of the following
A. Painless decrease in vision, a veil over the visual field, and flashing lights.B. A veil over the visual field, increased intraocular pressure, and yellow-green halos around visual images.C. Photophobia, yellow-green halos around visual images, and blurred vision. D. Unilateral eye inflammation, a cloudy cornea, and a moderately dilated pupil.