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1、

The Research of Digital Communication Technology Over HF

中短波通信数字化技术的研究

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2、

Frequency domain: total frequency components ( TF ), low frequency components ( LF ), frequency components ( HF ).

频域分析: 总频谱成分 ( TF ), 低频成分 ( LF ), 高频成分 ( HF ).

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3、

Design and Analysis of Simulation Algorithm of the 3G HF Network Physical Layer

3G短波网络物理层仿真算法设计与分析

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4、

Ocean Surface Current Detection by HF Ground Wave Radar with Portable Antenna System

采用便携式天线的近海海洋表面流探测

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5、

Study on the Cylindrical Continuous Wave HF Chemical High Energy Lasers

环柱型高能连续波HF化学激光器研究

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6、

We compared on-line hemofiltration to high-flux hemodialysis ( HF-HD ) in patients in a sequential manner.

我们在患者中以连续性方式比较了在线血液滤过和高通量血液透析 ( HF-HD ) 的疗效.

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7、

The design of HF signal generator and its application in water processing system

高频信号发生器设计及在水处理系统中的应用

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8、

Remove victim from source of HF fumes.

把受害人从HF烟雾源转移走.

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9、

Marketing Strategy Research on Electric Power Secondary Equipment of HF Corporation

HF公司电力二次设备营销战略研究

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10、

Frequency domain: total frequency components ( TF ), low frequency components ( LF ), high frequency components ( HF ).

频域分析: 总频谱成分 ( TF ), 低频成分 ( LF ), 高频成分 ( HF ).

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11、

HF inhaled in high concentrations may cause glottitis ( obstruction of the airway ) and acute pulmonary edema.

吸入高浓度 HF 会导致喉道阻塞和急性肺水肿.

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12、

HF ( the strongest acid ) has the weakest conjugate base.

HF 是最强的酸,它有最弱的共轭碱.

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13、

A New Modulation System for HF Data Transmission

一种新的短波数传调制体制

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14、

Performance Analysis of HF Serial Data Transmission Systems for CW Interference Rejection

HF串行数据传输系统抑制CW干扰的性能分析

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15、

A new method for the measurement of the broadband HF antenna gain

短波宽带天线增益测量新方法

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16、

A Study and Implementation of HF Serial Modem System

短波串行调制解调器的系统研究及实现

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17、

Design of a Novel Automatic Antenna Tuning Coupler in HF Communication

一种新的短波自适应天线调谐器的设计

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18、

HF company is a high-tech enterprise specializing in researching, developing, manufacturing and selling relays.

HF公司是一家专业从事继电器研究、开发、生产和销售的高新技术企业.

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19、

Measuring and Theoretical Analysis of HF RCS on the Ocean Surface

高频段目标RCS的测试及理论分析

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20、

Fluorine and hydrogen fluoride in a mixed gas, HF -- F _ 2 -- Ar ahd F _ 2 -- HF -- N _ 2, have been determined.

该仪器已用于HF-F_ 2-Ar和HF-F_2-N_2等混合气体中氟和氟化氢的测定.

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21、

HF has a pungent odor. It is extremely corrosive.

HF有一种刺激性气味. 它是极强的腐蚀剂.

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22、

Research of Channel Model in Wideband HF Communication System

短波宽带通信系统中信道模型的研究

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23、

Finally the structures were released in a 49 % HF etch.

最后在49%HF中腐蚀形成这些结构.

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24、

The biggest increase was on the cheapest model, the CRX-HF. That car had a 1990 base price of $9,145.

涨价最快的是最便宜的车型CRX-HF，那款车1990年的基价是9,145美元。

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25、

After returning to HF-HD for 4 months, all measured parameters returned to their respective baseline alles.

重新恢复到HF-HD四个月后, 所有指标恢复到各自的基线水平.

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26、

Silicon, semiconductor material , can form different configurations at anodic bias etching system in the HF electrolyte.

半导体硅在含HF电解液阳极氧化体系中可以形成不同的腐蚀形态.

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27、

A New Compensation Method for HF Ground Wave Radar Receiving System

一种新的高频地波雷达接收系统补偿方案

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28、

HF ultimately diffuses down to the troposphere where it is removed by wet deposition.

HF最终扩散到大气中,在大气中它通过湿沉积被除去.

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29、

Reactions in liquid HF are known that illustrate also amphoteric behavior, solvolysis, or complex formation.

已知在液态HF中,也能说明两性行为溶剂分解或络合物形成作用的反应.

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30、

Hardware Implementation of Radio Monitoring Module for HF Ground Wave Radar

高频地波雷达频谱监测模块的硬件实现

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