Using this method, the piece quality is and can get good benefit.

In this paper, the principle of RF-sampling frequency down-converter is discussed.

本文讨论了射频 - 中频取样下变频器的原理,给出了选取重要的取样频率的方法.

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Purpose: High frequency amplifier applications, FM, RF , MIX , IF amplifier applications.

用途: 用于高频放大, 调频 、 射频、混频 、 中频放大.

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In chapter 4, a IF receiver sub-system has been designed.

第4章描述了中频子系统的设计与实现.

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The paper introduced the basic prinple of filtering harmonic voltage.

本文介绍了中频谐波电压滤除的基本原理.

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Intermediate frequency instability has had the most uneven history.

中频不稳定性的研究经历了极为曲折的道路.

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To investigate the effect of titanium nitride coating on corrosion resistance of dental casting alloys.

研究氮化钛涂层对牙科铸造合金腐蚀性能的影响.

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Ti, Al N super-hard films were deposited by multi-arc ion plating.

采用多弧离子镀技术沉积氮化钛铝超硬反应膜.

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Theprinciple , preparation methods , properties and applications of nano film materials have beensummarized.

本文介绍了离子束溅射和磁控溅射技术的基本原理 、 法及其在制备纳米材料中的应用和优点,以国内外这方面的最新进展.

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In order to improve the charge distribution for MEVVA ion source, a radial field was introduced.

为解决麦瓦(MEVVA)离子源束流的径向分布均匀性问题,采取了加入会切磁场的方法.

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Spectrum diagnosis as an experimental method, is convenient and irreplaceable in ion source investigation.

本文列举了光谱诊断方法在离子源研究中的几种典型应用.

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The theory of ion etching and the parameter of ion source designing are discussed in detail.

并且详细论述离子刻蚀的原理以及离子源的参数设计.

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The ion energy and its distribution were investigated by a 5-grid tester.

采用五栅网离子能量测试装置研究了离子源的离子能量及能量分布.

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All my life I shall remember oriental music and you in my arms. Perfumed flowers in your tresses , lotus centred breezes and swaying palms.

我一辈子都会记得东方音乐和妳在我怀中的情景，妳的鬈发插上了弥漫香味的花朵，棕榈树在飘着莲花香的微风中摇曳。

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All chickens have combs on their heads, but they do not always look the same.

鸡都有鸡冠, 但它们看上去并不总是都一样.

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A cock a rd comb on its head. Its feathers are very beautiful.

公鸡头上有红色的鸡冠. 它的羽毛非常漂亮.

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Something a fowl's comb in appearance or position.

'鸡冠'.''''.'状'.''的东西在外形或位置上使人想到''.'鸡冠'. ''的东西.

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Sometimes the combs of chickens are affected.

鸡冠有时也会受到伤害.

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The chicken's beak, the comb and some feathers were visible.

而且像是鸡嘴, 鸡冠,还有一些羽毛都是清晰可见.

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The Nd: YAG laser illumination ranged from 20 to 60 W.

动物模型的选择为 猪肝 及鸡冠.

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Nello had already seized and flourished his comb.

内洛已经拿起梳子在挥舞.

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