查询词典 high frequency
- 与 high frequency 相关的网络例句 [注：此内容来源于网络，仅供参考]
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Conversely, the high frequency of Local Services queries in PDA Web search may be due to the lack of a separate "Local" search option.
反之，在PDA网络搜索中高频率的本地服务查询，可能是由于缺乏一个独立的"本地"搜索选项。
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In order to control the high frequency component in the surge, the low-pass filter was used widely.
对于浪涌中的高频分量的控制，广泛应用的是低通滤波器。
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A novel phase-shifted zero-voltage and zero-current switching PWM DC/DC full-bridge converter is presented in this thesis, which is based on the groundwork of summarization of the development of Power Electronics in recent years and lucubration in theoretical basis of modern high frequency soft switching power convert technique and analysis of operation principle, characteristic of the circuit and inherent drawbacks of the traditional phase-shifted zero-voltage switching PWM DC/DC full-bridge con...
本文在对近年来电力电子学科的发展高度综述和对现代高频软开关功率变换技术理论基础深入研究的基础上，对传统的移相控制ZVS PWM DC／DC全桥变换器的工作原理、电路特性、存在的缺点进行了分析，在此基础上提出了一种改进型的移相控制ZVZCS PWM DC／DC全桥变换器。
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They create a uniform value of luminous flux due to the high frequency used.
由于使用高频，电子镇流器产生均匀的光通值。
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Objective To evaluate the diagnostic value of high frequency ultrasonography in acute mesenteric lymphadenitis.
目的 评价高频超声在诊断小儿急性肠系膜淋巴结炎中的价值。
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Objective To discuss the clinical significance of high--frequency Doppler ultrasound in diagnosis of mesenteric lymphadenitis in children.
目的探讨使用高频彩超经腹壁诊断小儿肠系膜淋巴结炎的临床价值。
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Methods Fifty children of acute mesentery Lymphadenitis were examined by high frequency ultrasound.
对55例经临床诊疗已确诊的肠系膜淋巴结炎的患儿腹部进行高频彩色超声的检查。
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High frequency ultrasonography may be the first choice of imaging examination in the diagnosis of acute mesenteric lymphadenitis.
高频超声可作为小儿急性肠系膜淋巴结炎诊断的首选影像诊断方法。
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High frequency ultrasound had clinical application value in diagnosis of childrens acute mesentery lymphadenitis.
高频超声检测肠系膜淋巴结炎具有一定的临床应用价值。
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Methods High frequency ultrasonography was used to examine 155 acute mesenteric lymphadenitis and the patients were reexamined 10 to 15 days after therapy.
运用二维超声高频探头加压动态检查诊断155例急性肠系膜淋巴结炎，经抗感染治疗后10～15天超声复查。
- 推荐网络例句
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She gently rebuff ed him, but agreed that they could be friends
她婉言拒绝了，但同意作为朋友相处。
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If in the penal farm, you were sure to be criticized.
要是在劳改农场，你等着挨绳子吧！
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Several theories about reigniting and extinguishing of the arc have been refered.
本文综合考虑了几种电弧重燃和熄灭理论。