Pyelitis is inflammation of the renal pelvis
查看答案
The outer portion of the kidney is the medulla
A. 对
B. 错
The tube that carries urine out of the body is the ureter
A. 对
B. 错
EPO stimulates the production of red blood cells
A. 对
B. 错
由被测信号产生一个同步触发信号来扫描发生器,此触发方式称为 ( )。
A. 外同步
B. 内同步
C. 谐振
D. 耦合