世界上第一台PLC诞生于（）年。 A: 1968 B: 1969 C: 1973 D: 1974

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2022-06-18 问题

世界上第一台PLC诞生于（）年。 A: 1968 B: 1969 C: 1973 D: 1974

2022-06-29 问题

哪一年提出的研制新的设备代替继电器控制（） A: 1968 B: 1956 C: 1973 D: 1975

2022-06-17 问题

射弩于（）年成为第三届全国少数民族传统体育运动会竞技比赛项目 A: 1990 B: 1968 C: 1973 D: 1986

2022-06-15 问题

世界上第一台可编程序控制器PDP-4是美国在( )年研制出来的。 A: 1968 B: 1969 C: 1971 D: 1973

2022-06-28 问题

哪一年首先实现了DNA体外重组技术，标志着生物技术的核心技术——基因工程技术的开始？（） A: 1973 B: 1970 C: 1968 D: 1972

2022-05-28 问题

She has been working in this factory ______. A: after 1968 B: in 1968 C: since 1968 D: for 1968

2022-05-27 问题

哪一年美国计算机图形学之父伊凡·苏泽兰开发了第一个计算机图形驱动的头戴式立体显示器和头部位置跟踪系统。（） A: 1957 B: 1968 C: 1973 D: 1985

2022-06-16 问题

11.She went to the countryside ______.　　a. in the morning at nine on June first,1968 b. on June first,1968 in the morning at nine　　c. at nine in the morning on June first,1968 d. on June first,1968 at nine in the morning A: in the morning at nine on June first,1968 B: on June first,1968 in the morning at nine C: at nine in the morning on June first,1968 D: on June first,1968 at nine in the morning

11.She went to the countryside ______.　　a. in the morning at nine on June first,1968 b. on June first,1968 in the morning at nine　　c. at nine in the morning on June first,1968 d. on June first,1968 at nine in the morning A: in the morning at nine on June first,1968 B: on June first,1968 in the morning at nine C: at nine in the morning on June first,1968 D: on June first,1968 at nine in the morning

2022-06-17 问题

()年拉斯韦尔与拉纳合著《政策科学:范围和方法的新进展》,该书被认为是公共政策学或政策科学诞生的标志。 A: 1943 B: 1951 C: 1968 D: 1973

2021-04-14 问题

1968

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