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科学时代收录了3405121条科普词条，基本涵盖了常见科普常识及英语词汇的翻译，是科学学习和研究的有利工具。

热门查询：

circuit board arrangement	circuit board assembly	circuit board clamping mechanism	circuit board contact	circuit board core
circuit board electrochemical	circuit board inspection	circuit board lamination	circuit board layout	circuit board package structure
circuit board shield	circuit board testing	circuit board testing device	CIRCUIT BREAKER	circuit breaker
Circuit breaker	circuit breaker capacitor	circuit breaker{=CB}	circuit breaker cradle	circuit breaker failure protection
circuit breaker failure protection equipment	circuit breaker; line breaker	circuit breaker oil	circuit breaker opening time	circuit breaker, opening time
circuit breaker panel	circuit breaker panel{=A16}	circuit breaker, puffer	circuit breakers	circuit breaker stroke measurement device
circuit breaker, sulphur hexafluoride	circuit breaker time delay relay{=KDCB}	Circuit Breaker Time Delay Relay{=KDCB}	Circuit Breaker Time Delay Unit{=DLCB}	circuit breaker time delay unit{=DLCB}
circuit breaker, tripping of	circuit breaker with lock out preventing closing	circuit breaker with lockout preventing closing	circuit breaker with shunt resistance	circuit breaking device
circuit breaks	circuit busy hour	circuit calculation	CIRcuit CALculus	circuit capacitance
circuit capacity	circuit card	circuit card connect	circuit cellular	circuit changer
circuit changing switch	circuit characteristics	circuit cheater	circuit chip	circuit chip encapsulation
circuit chip power supply voltage	circuit-clearing device	circuit closer	circuit closer; closer	circuit closing contacts