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- A varactor is used to tune the frequency of the VCO, and optimization is processed to get broad tuning band. VCO采用变容二极管进行并联电调谐,并优化电路以获取较宽的调谐频带。
- AOTF are very attractive in communication andnetwork as they offer a broad tuning range, a fast tuning speed, and a simultaneousfiltering capability. 声光可调谐滤波器具有可调范围宽、调谐速度快、多波长同时滤波,因此在光通讯和光网络的实现方面占有重要的地位。
- The pump source with high peak power and narrow pulse width has created the condition for the OPG with high beam quality,broad tuning and high conversion efficiency. 高峰值功率、窄脉宽的泵浦源为产生高质量、宽调谐、高转换效率的光参量产生器创造了条件。
- A peak power of more than 0.60MW is generated at 4500 ?, the center wavelength of eoumarin 47. When coumarin 152 is used alone, a broad tuning range of up to 1042 ? has been obtained, which is close to its fluorescence linewidth of 1200 ?. Coumarin47染料的中心波长4500?处的峰值功率大于0.;60兆瓦。 仅用Coumarin152一种染料;调谐范围宽达1042?;与其荧光谱线宽度1200?相近。
- The violin is not quite in tune with the piano. 这小提琴跟钢琴的调子不太和谐。
- The river opens out suddenly into a broad estuary. 江面忽然开阔起来,形成一个宽广的河。
- A small boy was beating out a tune on a tin can. 一个小男孩正用铁皮罐敲奏出曲子来。
- He stated his views in broad outline. 他粗略地讲了自己的观点。
- He played a tune on his trumpet. 他用小号吹奏了一首曲子。
- Her heavy industry rests on a broad and firm base. 它的重工业有广泛坚实的基础。
- The crooks ripped off a car in broad day light. 那些歹徒在光天化日之下盗窃了汽车。
- Hum the opening bars of your favourite tune. 哼一哼你喜爱的曲子的开头几个小节。
- She calls the tune in their house. 他们家中她说了算。
- She has a broad knowledge of computers. 她对计算机有广博的知识。
- This room is as broad as it is long. 那个房间长宽相等。
- Our grand piano is in good tune. 我们的大钢琴音很准。
- Cease then, prithee, cease thy tune. 停止,我求你,暂停你的歌声。
- He hurt his left ankle in the broad jump. 他跳远时扭伤了左踝。
- Our policy must be made known to the broad masses. 我们的政策必须让广大民众都知道。
- The survey covered a broad spectrum of topic. 这本简史涉及的话题范围很广。