验收测试是由最终用户来实施的。
以下不正确的是（） ["A等位线与流线总是正交","B典型的低速平面位流可以叠加，从而解出一些较复杂的模型","C可以用过驻点的流线象征物体的轮廓","D不可压流体中，全流场的伯努利常数C相同"]
数据流图从数据传递和加工的角度，以图形的方式描述数据流从输入到输出的传输变换过程。
Refer to the exhibit. Which two statements are true about the partial configuration that is shown？（） ["Hosts connected to the FastEthernet0\/1 interface will not receive DHCP replies from the router","The first DHCP client to connect to the FastEthernet 0\/1 interface will receive the IP address10.10.0.1","The first DHCP client to connect to the FastEthernet 0\/0 interface will receive the IP address10.0.0.1","DHCP requests received on the FastEthernet 0\/1 interface will be forwarded to 10.0.0.2","The first DHCP client to connect to the FastEthernet 0\/0 interface will receive the IP address10.0.0.6"]
在固定成本不变的情况下，企业的销售额越大，（）。 ["经营风险越大","经营风险越小","边际贡献越大","经营杠杆系数越大"]
综合逐步结转法有何特点？有何优缺点？
