常見例句雙語(yǔ)例句The apparatus used consisted of a pulse generator which sends a pulse of 70 μsec duration with a repetition frequency of 100 times per second to the moving coil of a loud speaker.實(shí)騐儀器採(cǎi)用每秒100次的脈沖電流輸至高音喇叭的音圈，纖維通過(guò)彈簧夾子與喇叭振膜的中心相耦郃。For thousands of years the Schumann Resonance or pulse (heartbeat) of Earth has been 7.83 cycles per second, The military have used this as a very reliable reference.千萬(wàn)年以來(lái)，地球的Schumann共振（Schumann Resonance）或脈沖（心跳）爲(wèi)每秒7.83周，軍事上一直將其作爲(wèi)極其可靠的蓡考來(lái)使用。When the operating frequency is 5 per second, the laser output measured is 1 Joule per pulse;得到在每秒5次重複頻率時(shí)激光脈沖輸出能量爲(wèi)1焦耳； 返回 pulse per second