开发专家系统时,通过描述事实和规则由模式匹配得出结论,这种情况下适用的开发语言是()。
A.面向对象语言
B.函,数式语言
C.过程式语言
D.逻辑式语言
参考答案:D
— People should stop using so many private cars and start using public transport.
— ____. The roads are too crowded now. [ ]
A. Fine
B. Go ahead
C. Exactly
D. That's all right.
GSM系统中、信道是指某载频上的一个(),每载频有其()个信道。