【简答题】机器人的三种动作模式分为: 、 、 远程模式 。
【单选题】Changes of pulmonary(肺循环)and systemic circulatory(体循环) flow(血流) in VSD are:
C.
Pulmonary circulatory flow insufficiency, systemic circulatory flow increased
E.
Pulmonary circulatory flow increased, systemic circulatory flow insufficiency
【单选题】有性生殖和无性生殖的根本区别是( )
C.
有性生殖产生生殖细胞,两性生殖细胞结合形成受精卵
D.
有性生殖和无性生殖只是生殖形式上的不同,没有根本区别
【单选题】Mean circulatory filling pressure 的高低取决于
A.
arterial pressure和peripheral resistance 之间的相对关系
B.
cardiac output和peripheral resistance之间的关系
D.
cardiac output和arterial pressure之间的相对关系
【判断题】行曲轴箱窜气的主要成分是HC和CO。 ( )
【判断题】电压型单相半桥逆变电路主要用于几千瓦以上的大功率逆变电源。
【简答题】循环性缺氧(circulatory hypoxia)
【单选题】The mean circulatory filling pressure depends on the relation between
A.
Athe arterial pressure and the peripheral resistance
B.
the cardiac output and the peripheral resistance
C.
the blood volumes and the capacity of circulatory system
D.
the heart output and the arterial pressure
E.
he venous return and the contractility of the heart