在惡劣的自然環境下,積污絕緣子隨時可能發生閃絡.Polluted insulators may flashover at any time under disadvantage weather conditions.實驗表明表面電荷積聚使得絕緣子沿面閃絡電壓的降低竟然達到23.4%.For the insulator investigated the 50 % flashover voltage is reduced by 23.4 %...
這部記錄片生動地再現了這場偉大的戰役.This great battle was vividly recorded in the documentary film.這部記錄片探討這個問題有些深度.The documentary treated the question in some detail.他是這部記錄片的解說員.He is the narrator of the documentary....
the topography of an area某地區的地形Landforms of topography, vegetation and climate are influential factors in formation of soils.地形或地形學 、 植被和氣候都是對土壤形成有影響的因素.Two types of keratoconus after PKP have remarkable divergence of po...
自封的公共道德的衛道士a self-appointed custodian of public morals她是個有道德的女性,人人都尊敬她.She was such a virtuous woman that everybody respected her.他把每個論題都變成了道德的討論.He turns every subject into a moral discussion....