1	按键电话机	push key telephone set;key pad telephone set;key telephone set;touch tone telephone;press button telephone
2	半导体集成电路设计保护条例	Protection Act of the Circuit Layout of Semiconductor Integrated Circuits
3	半电子交换机	part electronic switching system;semielectronic exchange;semielectronic switchboard
4	半自动电话交换机	semiautomatic exchange;automanual telephone switchboard;semiautomatic telephone switchboard
5	半自动电话局	semiautomatic station;auto-manual telephone exchange;semiautomatic exchange
6	半自动人工台集中方式	centralization of manual board by semiautomatic exchange
7	半自动长途台集中方式	centralization of toll board by semiautomatic connection
8	备用电路	redundant circuit;reserve circuit;fall back circuit;backer circuit;backup circuit
9	倍频电路	doubling circuit;frequency multiplier circuit;frequency doubling circuit
10	倍压整流器	voltage multiplier rectifier;rectifier doubler;voltage doubler rectifier
11	比例积分微分控制操作	proportional plus integral plus derivative control action
12	变参信道	variable parameter channel;channel with variable parameters;parametric variation channel
13	变电所集中远程控制设备	centralized remote control apparatus for substations
14	变容二极管	autocap;varactor diode;variode;resiode;varicap;ketter diode;varipico;tuning diode
15	不对称衰减特性	asymmetrical attenuation characteristic;unsymmetrical attenuation characteristic
16	彩色全电视信号	composite color video signal;composite color television signal;video burst and sync signal
17	彩条信号发生器	rainbow generator;color bar signal generator;color bar generator;color stripe generator
18	常曲线速度二维仿形伺服机械	two dimensional contouring servomechanism with constant curvilinear speed
19	常压管式釜或粗蒸馏的计算机控制	computer control of atmospheric pipestill or crude distillation
20	场扫描频率	vertical scanning frequency;vertical sweep frequency;field scanning frequency
21	场消隐脉冲	vertical blanking impulse;vertical blanking pulse;field blandking impulse
22	场消隐期间特殊信号插入	insertion of special signals in the field-blanking interval
23	唱片录音	gramophone recording;phonograph record;disk recording;sound on disk recording
24	超导研究和开发基本倡仪	Basic Promotion for Res. and Development on Superconductivity
25	超高压交流传输	ultra high voltage alternative current transmission
26	充气光电管	gas filled phototube;gas filled photocell;gas phototube;photo glow tube
27	行同步	horizontal sync;horizontal synchronization;line lock;line synchronization;horizontal hold
28	像素	picture dot;elementary area;pixel;image element;elemental area;image point
29	亚音频	infra acoustic frequency;subaudible frequency;subsonic frequency;subaudio frequency
30	音箱	loudspeaker enclosure;sound box;enclosure;loudspeaker box;loudspeaker cabinet
31	荧光屏	photofluoroscope;phosphor plate;phosphorescent screen;fluorescent screen;luminancent screen;phosphor screen;face
32	占用率	use rate;working fill;occupation rate;occupancy rate;occupation coefficient
33	长途查询台	toll enquiry position;toll information board;toll dialing directory desk
34	长途中心局	primary trunk exchange;group center exchange;toll center;toll central office
35	帧频	frame repetition frequency;frame repetition rate;frame rate;scanning rate
36	帧同步	frame lock;frame synchronization;vertical synchronization;frame alignment
37	支局	tributary office;branch office;subexchange;minor office;suboffice;out office;dependent office;out station
38	中继台	junction position;trunk board;retransmitting station;transposer station;trunk line board
39	中继站	relay point;repeater point;through station;translator station;relaying station
40	转发局	handing over office;reforwarding office;retransmission office;spill office

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