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问题 单项选择题

在研究中，用数字符号“1”表示男生，用数字符号“0”表示女生，这里数字“1”和“0”属于（）

A.称名变量数据

B.顺序变量数据

C.等距变量数据

D.比率变量数据

答案

参考答案：A

单项选择题

Artificial intelligence (AI) ,an interdisciplinary field, is usually regarded as a branch of computer science, dealing with models and systems for the performance of functions generally associated with human intelligence, such as (71) and learning.

In AI, knowledge-based system is an information (72) system that provides for solving problems in a particular domain or application area by drawing inferences from a knowledge base. Moreover, some knowledge-based systems have learning capabilities.

Expert system (ES) indicates the knowledge-based system that provides for solving problems in a particular domain or application area by drawing inferences from a knowledge base developed from human (73) . Some expert systems are able to (74) their knowledge base and develop new inference rules based on their experience with previous problems. The term "expert system" is sometimes used (75) with "knowledge-based system", but should be taken to emphasize expert knowledge.

（75）处填（）。

A．synonymously

B．equivalently

C．substitutionally

D．homomorphously
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填空题

风灵300四冲程摩托车油的粘度牌号是（），质量级别是（）。
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