高频的例句大全

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 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。

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。

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。

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。

Temperatures Automatic Control System of HFW Welded Pipe Seam

高频焊管焊缝的温度自动控制系统

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

A New Type of High Frequency Acoustic Bulk Wave Transducer Using IDT Technics

一种采用IDT技术的新型高频声体波换能器

The IPG is then programmed to deliver a high-frequency electrical stimulation to the targeted area of the brain.

脉冲发生器按程序传递高频率电刺激到脑部靶区。

Objective To investigate the effect of high frequency electrical stimulation in the thalamic reticular nucleus ( TRN) on the epileptic rats evoked by Pentylenetetrazol ( PTZ).

目的研究高频电刺激丘脑网状核（TRN）对戊四氮致癫痫大鼠的作用。

Methods: 41 cases of neurilemoma by biopsy pathology were studied with high-resolution sonographic diagnosis.

方法：对41例神经鞘瘤术前应用高频超声诊断与术后病理诊断进行对照。

Diagnostic value of high frequency color Doppler ultrasound on peripheral neurilemoma

彩色多谱勒高频超声对外周神经鞘瘤的诊断价值

The intraday price volatility and the predictability of high-frequency price fluctuations in Chinese stock market are also studied.

研究了沪、西南交通大学博士研究生学位论文第n页深股市交易日内的价格波动特征：分析了沪、深股市高频价格数据波动的可预测性。

Nonsynchronous trading is one of the hot issues in financial high-frequency data processing.

不同步交易乃金融中高频数据处理的重要课题之一。

A method of the determination of absorbed lead in wild Artemisia selengensis ( a wild plant growing in wet soil whose tender stem is edible) in Poyang Lake with T ( DBHP) P is reported in this paper.

采用高频电场激发氧灰化溴代卟啉分光光度法，测定了鄱阳湖野生藜蒿中铅的含量。

The article makes a mechanical structure design about high frequency feeding unit, voice coil linear motor equipped tool can be fixed on the machine through linear motor platform, in this way, the structure of machine is compat, easy to operate.

在确定高频响进给单元驱动装置的基础上，本论文进行了其机械结构的设计，配有刀具的音圈直线电机利用直线电机线性平台安装在机床上，使得机床结构紧凑，操作方便。

This technique is expectant to lead ECM into the micro and precision machining fields.

该技术有望促使电解加工进入微精加工领域,而高频脉冲电解电源的研究是推动电解加工技术向前发展的关键之一.

A high-power high-frequency inductive power supply used in ERW for medium-sized straight welded pipes is introduced.

介绍了用于中口径直缝焊管线焊接的高频 大功率 焊接电源,其采用基于IGBT功率元件 的串联谐振式感应电源技术.

The transmission and shielding of high frequency scanning voltage for the P ulsed Van de Graff accelerator

加速器高频扫描电压的传输与屏蔽

Development of Pest Control in Grain with High Frequency Dielectric Method

高频介电在粮食防虫中的应用研究进展