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【单选题】
对于类似于课程表优化安排问题的二维集覆盖问题：【图片】利用遗传算法计算求解，回答问题：关于交叉规则的设计，下列说法不正确的是_____。A.
交叉规则仅有另外三个选项说明的几种情况
B.
可以采取基本的两段交叉或多段交叉
C.
可以采取点交叉、行交叉或列交叉
D.
可以不以“位”为单位进行交叉，而以若干位的一个组合为单位进行交叉
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】The influential Peruvian development economist Hernando de Soto has argued that much of the developing world will fail to reap the benefits of capitalism until _____.
A.
they have political stability
B.
they invest in infrastructural development
C.
they have better defined and secure property rights
D.
they have adequate market regulation
【单选题】在下列电机中,( )既可通过闭环实现速度或位置控制,又可作步进方式运行,且电机转速不受负载影响,稳定性高。
A.
步进电机
B.
直流伺服电机
C.
交流同步伺服电机
D.
笼型交流异步电机
【判断题】Peruvian development economist Hernando de Soto has argued that the chronic inability of property owners to establish legal title to the property they own is a key problem for innovation, and entrepre...
A.
正确
B.
错误
【单选题】The influential Peruvian development economist Hernando de Soto has argued that much of the developing world will fail to reap the benefits of capitalism until they: 颇具影响力的秘鲁发展经济学家赫尔南多•德索托(Hernando de...
A.
have political stability.政治稳定。
B.
invest in infrastructural development.投资基础设施建设。
C.
have better defined and secure property rights.拥有更明确和更安全的产权。
D.
have adequate market regulation.有足够的市场监管。
【单选题】The influential Peruvian development economist Hernando de Soto has argued that much of the developing world will fail to reap the benefits of capitalism until _____.
A.
they have political stability
B.
they invest in infrastructural development
C.
they have better defined and secure property right
D.
they have adequate market regulation
相关题目：
【单选题】在下列电机中,( )既可通过闭环实现速度或位置控制,又可作步进方式运行,且电机转速不受负载影响,稳定性高。
A.
步进电机
B.
直流伺服电机
C.
交流同步伺服电机
D.
笼型交流异步电机