Evolved Universal Terrestrial Radio Access (E-UTRA); Radio Resource Control (RRC); Protocol specification的相关协议为()
A) convertedB) developedC) exposedD) evolved
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The height of eye correction is smaller than geometrical dip because of ______.A.the angle between the horizontal and the line of sight to the visible horizonB.index errorC.parallaxD.terrestrial refraction
UTRAN(UMTS Terrestrial Radio Access Network)执行RAN的功能,其外部接口包括().A.IU口B.IUb口C.lur口D.UU口
UMTS是()的缩写,即通用移动通信系统。A、Universal Mobile Telecommunications SystemB、UTRAN Mobile Telecommunications SystemC、Europe Mobile Telecommunications SystemD、Universal Mobile TeleSystem
红色RA故障代替RA高度信息显示在PFD上说明()A、襟翼/缝翼手柄不在0位,两台RA失效。B、两台RA无效,与襟翼/缝翼无关。C、PFD1上RA表示1号RA失效。D、PFD1上RA表示2号RA失效。
键的两侧面和大径的表面粗糙度一般要求在()之间。A、Ra0.8~Ra1.6μmB、Ra1.6~Ra3.2μmC、Ra3.2~Ra6.3μmD、Ra6.3~Ra12.5μm
UML 是()的缩写。A、Unified Module LanguageB、Unified Modeling LanguageC、Universal Module LevelingD、Universal Module Language