高频的例句大全

Effect of HFW Electrode Strike Arc on Welded Pipe Quality and Production

高频焊电极打火对钢管质量和生产的影响

Temperatures Automatic Control System of HFW Welded Pipe Seam

高频焊管焊缝的温度自动控制系统

HFT may not carry risks to the financial system but no one knows for sure.

高频交易或许不会给金融体系带来风险，但对此没人敢打保票。

They should know who is using HFT and to what standards they are held.

他们理应知道是谁在使用高频交易，以及有何标准。

Methods images of HFU and CD of54 cases of such patient who underwent operation were analyzed retrospectively.

方法对54例经手术证实的视网膜脱离的高频超声和彩色多普勒血流成像进行回顾性分析。

Methods HFU and CDFI findings were compared in 42 cases with confirmed breast masses.

方法42个乳腺肿块经手术及病理证实，对术前高频声像图特征与CDFI表现进行分析与比较。

Objective To investigate the applicability and clinical value of high frequency ultrasound ( HFU) in the abdominal check.

目的探讨高频超声在腹部检查中的适用性和临床价值。

Methods: HFU and CDFI finding were compared with pathology study in 80 cases with breast hyperplasia.

方法：对80例乳腺增生症患者的高频声像图及彩色血流表现作详细观察记录，与病理学组织类型进行对比研究。

Objective To evaluate the diagnostic role of high frequency ultrasonography ( HFU) and CDFI for breast carcinoma of the old female.

目的：探讨老年乳腺癌的高频超声图像和彩色多普勒表现。

But the voltage mode HFL inverters often have performance and application in high power application.

但是在大功率场合，一般采用的还是电压源高频交流环节。

The phase-shifted controlled voltage mode converters with HFL are deeply investigated.

本文深入研究了全桥移相控制电压源高频交流环节变换器。

An original series-resonant current-mode high frequency link ( HFL) sine-wave inverter is presented in the paper.

提出一种新型的串联谐振电流源模式隔离的高频链正弦波逆变器拓扑结构，详细介绍了其工作原理。

Introduced topology and principle of the half-bridge bi-directional current mode high-frequency link ( HFL) inverter, designed its control system based on DSP in detail.

分析了一种半桥双向电流源高频链逆变主电路的拓扑结构和工作原理，详细介绍了基于DSP的控制系统设计。

The voltage-current double-closed-loop control is employed to regulate the QSS full-bridge HFL inverter.

针对全桥式准单级高频链逆变电路完成了电压电流双闭环控制。

Objective To evaluate the diagnostic value of high frequency ultrasound on the cataract.

目的探讨高频超声检查对白内障的诊断价值.

Many dark pools that are owned by broker-dealers now welcome high-frequency traders ( HFTs), who can use their speed to exploit price differences between exchanges and dark pools.

许多券商开设的暗盘正大肆招揽高频交易者（HFTS）&他们以超乎常人的交易速度来赚取交易所报价与暗盘报价之间的差价。

Adaptive antenna array is an approach that shows real promise for increasing spectrum efficiency.

自适应阵列天线是提高频谱利用率一种可实现的方法.

However, the nerve injuries caused by HFB electrical stimulation has not been widespread concerned.

但目前由高频电刺激引起的神经损伤尚未得到广泛关注。

Last, the effects of concentrated mass and boundary condition are considered.

此外, 研究了集中质量和不同边界条件对耦合结构高频能量传递的影响.

High frequency of plantlet regeneration from revers genic sterile rice FHS tissue culture

反向核不育水稻FHS组织培养高频率植株再生