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高等继续教育 / 数字电子
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题型描述: 单选题
和CMOS门相比,TTL逻辑门具有工作( )的特点。
A.速度慢,功耗小
B.速度快,功耗小
C.速度快,功耗大
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数字电子
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佳题速递:
焊接工字型截面(如图)组合梁跨度为12m,跨中上翼缘受集中荷载P=300kN,且跨中上翼缘有简支侧向支撑,验算该梁的整体稳定是否满足要求。已知:βb=1.75。
钢结构
8、 在Windows的菜单中,选中菜单命令文字后带省略号的命令意味着( )。 A..将弹出下一级菜单 B.将执行该菜单命令 C.表明该菜单项已被选用 D.将弹出一个对话框
河南理工大学
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河南理工大学
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