【单选题】我国促进公益慈善事业,主要以( )为法规依据。
【单选题】关于运动发育的规律,下列哪种说法是不正确的
【多选题】设备故障保护拒动的原因有()
B.
保护回路不通,如电流互感器开路,保护压板开关辅助接点出口中间继电器接点接触不良及回路断线等
C.
电流互感器变比选择不当,故障时电流互感器严重饱和不能正确反应故障电流的变比
【多选题】关于协调障碍,下列说法错误的是()
C.
基底节共济失调表现为运动不正常及肌张力的变化
D.
脊髓后索共济失调本体觉及触痛觉不能传入大脑皮质
E.
患者闭眼时不能确定关节的位置表示脊髓后索共济失调
【单选题】【图片】This is the pressure dependence of the chemical potential of a substance. You can see the effect of increasing pressure on μ of the solid and liquid phases and on the freezing temperatures. It mea...
A.
molar enthalpy of the phase.
B.
molar Gibbs free energy of the phase
C.
molar volume of the phase
【简答题】Which thematic progression pattern has been used in this paragraph? The inventor of the diode valve was Fleming. He made use of the fact, first noticed by Edison, that an electric current could be mad...
【多选题】以下可以进行 专利检索 的有
B.
中华人民共和国国家知识产权局(www.sipo.gov.cn)
C.
中国知识产权网(www.cnipr.com)