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- broad band TR tube 寬頻帶開(kāi)關(guān)管
- Such as,the off/on time in the microwave band Tr is about 1.5 ns,the reverse breakdown voltage may reaches 75 V and reverse lea kage current is in the range of nA order. 文中報道了它的獨特性能 :其反向擊穿電壓可達 75V;反向漏電流僅 n A量級 ;反向開(kāi)關(guān)時(shí)間為 1.;5ns;可望應用于微波波段。
- He left when the band began to beat out pop music. 樂(lè )隊一奏起流行音樂(lè )他就走了。
- The band played a military march. 樂(lè )隊吹奏軍隊進(jìn)行曲。
- A live band is always a good draw at a party. 現場(chǎng)演奏的樂(lè )隊在聚會(huì )上總是很吸引人的。
- He was waylaid by a band of guerrillas. 他遭到游擊隊的狙擊。
- Radio2 can be heard on the long wave band. 第二廣播電臺可在長(cháng)波段收聽(tīng)到。
- A display device that uses a cathode ray tube. 一種使用陰極射線(xiàn)管的顯示裝置。
- He held the test tube in his hand thoughtfully. 他沉思地把試管拿在手里。
- A small point or spike for holding a candle upright. 蠟燭扦豎直舉起蠟燭的小尖或尖狀物
- The brass band is banging away in the park. 銅管樂(lè )隊在公園里吹吹打打。
- I must buy a tube of toothpaste. 我必須買(mǎi)一支牙膏。
- He has formed a new band with his brother on bass. 他組織了一個(gè)新樂(lè )隊，由他弟弟彈低音吉他。
- He was attacked by a band of ruffians. 他遭到一伙暴徒襲擊。
- She used a rubber band to tie her hair. 她用一根橡皮筋扎頭發(fā)。
- This tube is flexible but tough. 這管子柔軟但很堅固。
- The band drowned our conversation. 樂(lè )隊的演奏聲把我們談話(huà)的聲音淹沒(méi)了。
- The brass band still plays to packed houses. 這支銅管樂(lè )隊賣(mài)座率仍然很高。
- The jazz band gave out with quick rhythms. 爵士樂(lè )隊狂熱地奏出了快速的旋律。
- A glass tube for enclosing the flame of a lamp. 玻璃燈罩圍住燈的火焰的玻璃管
