Actuator Ö´ÐÐÆ÷
A:Amplifier ·Å´óÆ÷
A:AttendanceÔ±¹¤¿¼ÇÚ
A:AttenuationË¥¼õ
AA:Antenna amplifier ¿ªÏß·Å´óÆ÷
AA:Architectural Acoustics½¨ÖþÉùѧ
AC:Analogue Controller Ä£Äâ¿ØÖÆÆ÷
ACD:Automatic Call Distribution ×Ô¶¯·ÖÅä»°Îñ
ACS:Access Control System³öÈë¿ØÖÆÏµÍ³
AD:Addressable DetectorµØÖ·Ì½²âÆ÷
ADM:Add/Drop Multiplexer·Ö²å¸´ÓÃÆ÷
ADPCM:Adaptive Differential ulse Code Modulation ×ÔÊÊÓ¦²î·ÖÂö³å±àÂëµ÷ÖÆ
AF:Acoustic Feedback Éù·´À¡
AFR:Amplitude /Frequency Response ·ùƵÏìÓ¦
AGC:Automati Gain Control×Ô¶¯ÔöÒæ¿ØÖÆ
AHU:Air Handling Unit ¿ÕÆø´¦Àí»ú×é
A-I:Auto-iris×Ô¶¯¹âȦ
AIS:Alarm Indication Signal ¸æ¾¯Ö¸Ê¾ÐźÅ
AITS:Acknowledged Information Transfer ServiceÈ·ÈϲÙ×÷
ALC:Automati Level Control ×Ô¶¯Æ½ºâ¿ØÖÆ
ALS:Alarm Seconds ¸æ¾¯Ãë
ALU:Analogue Lines Unit Ä£ÄâÓû§Ïßµ¥Ôª
AM:Administration Module¹ÜÀíÄ£¿é
AN:Access Network ½ÓÈëÍø
ANSI:American National Standards InstituteÃÀ¹ú¹ú¼Ò±ê׼ѧ»á
APS:Automatic Protection Switching ×Ô¶¯±£»¤µ¹»»
ASC:Automati Slope Control ×Ô¶¯Ð±ÂÊ¿ØÖÆ
ATH:Analogue Trunk Unit Ä£ÄâÖм̵¥Ôª
ATM£ºAsynchrous Transfer Mode Òì²½´«ËÍ·½Ê½
AU- PPJE:AU Pointer Positive Justification ¹ÜÀíµ¥ÔªÕýÖ¸Õëµ÷Õû
AU:Administration Unit ¹ÜÀíµ¥Ôª
AU-AIS:Administrative Unit Alarm Indication SignalAU¸æ¾¯Ö¸Ê¾ÐźÅ
AUG:Administration Unit Group ¹ÜÀíµ¥Ôª×é
AU-LOP:Loss of Administrative Unit Pointer AUÖ¸Õ붪ʧ
AU-NPJE:AU Pointer Negative Justification¹ÜÀíµ¥Ôª¸ºÖ¸Õëµ÷Õû
AUP:Administration Unit Pointer¹ÜÀíµ¥ÔªÖ¸Õë
AVCD:Auchio &Video Control Device ÒôÏñ¿ØÖÆ×°ÖÃ
AWG:American Wire GaugeÃÀ¹úÏßÀ¹æ¸ñ
BA:Bridge AmplifierÇŽӷŴóÆ÷
BAC:Building Automation & Control net½¨ÖþÎï×Ô¶¯»¯ºÍ¿ØÖÆÍøÂç
BAM:Background Administration Moduleºó¹ÜÀíÄ£¿é
BBER:Background Block Error Ratio±³¾°¿éÎóÂë±È
BCC:B-channel Connect ControlBͨ·Á¬½Ó¿ØÖÆ
BD:Building Distributor
BEF:Buiding Entrance Facilities ½¨ÖþÎïÈë¿ÚÉèÊ©
BFOC:Bayonet Fibre Optic Connector´ó¿Úʽ¹âÏËÁ¬½ÓÆ÷
BGN:Background Noise±³¾°ÔëÉù
BGS: Background Sound ±³¾°ÒôÏì
BIP-N:Bit Interleaved Parity N code ±ÈÌØ¼ä²åÆæÅ¼Ð£ÑéNλÂë
B-ISDN:Brand band ISDN ¿í´ø×ÛºÏÒµÎñÊý×ÖÍø
B-ISDN:Broad band -Integrated Services Digital Network ¿í´ø×ÛºÏÒµÎñÊý×ÖÍø
BMC:Burst Mode Controller Í»·¢Ä£Ê½¿ØÖÆÆ÷
BMS:Building Management System ÖÇÄܽ¨Öþ¹ÜÀíϵͳ
BRI:Basic Rate ISDN »ù±¾ËÙÂʵÄ×ÛºÏÒµÎñÊý×ÖÍø
BS:Base Station»ùÕ¾
BSC:Base Station Controller»ùÕ¾¿ØÖÆÆ÷
BUL£ºBack up lighting±¸ÓÃÕÕÃ÷
C/S: Client/Server¿Í»§»ú/·þÎñÆ÷¡¡C:Combines »ìºÏÆ÷
C:Container ÈÝÆ÷
CA:Call Accountingµç»°×Ô¶¯¼Æ·Ñϵͳ
CATV:Cable Television ÓÐÏßµçÊÓ
CC:Call Control ºô½Ð¿ØÖÆ
CC:Coax cable ͬÖáµçÀÂ
CCD:Charge coupled devices µçºÉñîºÏÆ÷¼þ
CCF:Cluster Contril Function ´Ø¿ØÖƹ¦ÄÜ
CD:Campus Distributor ½¨ÖþȺÅäÏß¼Ü
CD:Combination detector ¸ÐΣ¬¸ÐÑ̸´ºÏ̽²âÆ÷
CDCA:Continuous Dynamic Channel Assign Á¬ÐøµÄ¶¯Ì¬ÐŵÀ·ÖÅä
CDDI:Copper Distributed Data ºÏͬÀ·ֲ¼Ê½Êý¾Ý½Ó¿Ú
CDES:Carbon dioxide extinguisbing system ¶þÑõ»¯Ì¼ÏµÍ³
CDMA:Code Division Multiplex Access Âë·Ö¶àÖ·
CF:Core Function ºËÐŦÄÜ
CFM:Compounded Frequency Modulation ѹÀ©µ÷Ƶ·±
CIS:Call Information System ºô½ÐÐÅϢϵͳ
CISPR:Internation Special Conmittee On Radio Interference ¹ú¼ÊÎÞÏßµç¸ÉÈÅרÃÅίԱ»á
CLNP:Connectionless Network Protocol ÎÞÁ¬½ÓÄ£Ê½ÍøÂç²ãÐÒé
CLP:Cell Loss PriorityÐÅÔª¶ªÊ§ÓÅÏÈȨ
CM:Communication Module ͨÐÅÄ£¿é
CM:Configuration Management ÅäÖùÜÀí
CM:Cross-connect Matrix½»²æÁ¬½Ó¾ØÕó
CMI:Coded Mark Inversion´«ºÅ·´×ªÂë
CMISE:Common Management Information Service¹«ÓùÜÀíÐÅÏ¢ÐÒé·þÎñµ¥Ôª
CPE:Convergence protocol entity »á¾ÛÐÒéʵÌå
CR/E:card reader /Encoder (Ticket reader )¿¨¶ÁдÆ÷/±àÂëÆ÷
CRC:Cyclic Redundancy Check Ñ»·ÈßÙÜУÑé
CRT:Cathode Ray Tabe ÏÔʾÆ÷£¬¼àÊÓÆ÷£¬Òõ¼«ÉäÏß¹Ü
CS: Convergence service »á¾Û·þÎñ
CS:Cableron Spectrum ¾ÉÄɵµ¿é»¯¼¼Êõ
CS:Ceiling Screen µ²ÑÌ´¹±Ú
CS:Convergence SublayerºÏ¾Û×Ó²ã
CSC:Combined Speaker Cabinet ×éºÏÒôÏì
CSCW:Computer supported collaborative work ¼ÆËã»úÖ§³ÖµÄÐͬ¹¤×÷
CSES:Continuius Severely Errored Second Á¬ÐøÑÏÖØÎóÂëÃë
CSF:Cell Site Function µ¥»ùÕ¾¹¦ÄÜ¿ØÖÆ
CTB:Composite Triple Beat ¸´ºÏÈý¼Û²îÅÄ
CTD£ºCable Thermal Detector ÀÂʽÏßÐ͸ÐÎÂ̽²âÆ÷
CTNR:carrier to noise ratio ÔØ²¨±È
CW:Control Word ¿ØÖÆ×Ö
D:Directional Ö¸ÏòÐÔ¡¡
D:Distortion Ê§Õæ¶È
D:Distributive ·Ö²¼Ê½
DA:Distribution Amplifier ·ÖÅäµÄ´óÆ÷
DBA:Database AdministratorÊý¾Ý¿â¹ÜÀíÕß
DBCSN:Database Control System NucleusÊý¾Ý¿â¿ØÖÆÏµÍ³ºËÐÄ
DBOS:Database Organizing System Êý¾Ý¿â×é֯ϵͳ
DBSS:Database Security System Êý¾Ý¿â°²È«ÏµÍ³
DC:Door Contacts´óÃÅ´«¸ÐÆ÷
DCC:Digital Communication ChannelÊý×ÖͨÐÅͨ·
DCN:Data Communication Network Êý¾ÝͨÐÅÍø
DCP-I:Distributed Control Panel -IntelligentÖÇÄÜÐÍ·ÖÉ¢¿ØÖÆÆ÷
DCS:Distributed Control System¼¯É¢ÐÍ¿ØÖÆÏµÍ³
DDN:Digital Data Network Êý×ÖÊý¾ÝÍø
DDS:Direct Dignital ControllerÖ±½ÓÊý×Ö¿ØÖÆÆ÷
DDW:Data Describing Word Êý¾ÝÃèÊö×Ö