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更多“optical（）”相关的问题
A.OTS(Optical Transmission Section)光传输段
B.OMS(Optical Multiplexing Section)光复用段
C.OCh(Optical Channel)光信道
D.ODU(Optical channel Data Unit)光通道数据单元
A.OLT(Optical Line Terminal)
B.ODN(Optical Distribution Network)
C.ONU(Optical Network Unit)
D.WDM(Wavelength Division Multiplexing)
A.Online Travel Agency
B.Offline Travel Agency
C.Over the Air
D.Optical Tube Assembly
A.Optical transmit unit (OTU)
B.Optical add/drop multiplexer (OAD)
C.4-channel 644M sub-rate convergence board(SRM42)
D.2-channel Gigabit Ethernet convergence board(GEM2)
A. And its functions include ().
B.Interface rate configuratio
C.Digital diagnosis for the optical interface
D.Auto shutdown function of the optical interface laser
E.Ethernet synchronizatio
选出应填入下面一段英语中______内的正确答案。
Future Computer Trends:
The components of a PC will be built into the(1)and large plasma or electroluminesent flat panel display hanging on a partition wall act as both a(2)and videophone display.
A high resolution, touch sensitive LCD(3)into desktop will allow pen-based pointing and data input. In the home, meanwhile, computers will become as ubiquitous as TVs.
Computer interfaces will be far friendlier than(4)graphical user interfaces (GUI) of today. Computer will use "human interfaces" based on multimedia.
RISC microprocessors will finally obliterate the ever thinning gap between workstations and PCs. Similar advances in nonvolatile flash memory will lead to the replacement of magnetic(5)disks with electronic "silicon disks".
供选择的答案：
(1) build (2) monitor (3) desk (4) built
(5) mouse-drive (6) keyboard (7) touch-sensitive (8) soft
(9) hard (10) optical
A. Optical Wavelength Multiplex
B. Optical Wavelength Monitor
C. Optical wavelength Memory
D. All
