查询词典 radio-opacity

It consists of Server, data sampling terminal, GIS dispatching terminal, switch, tower antenna, MODEM, and RADIO station. For saving frequency resources, time-sharing was adopted; for saving investment, concentrate differential.

监控中心采用局域网的结构形式，主要由网络服务器、数据采集终端、GIS调度终端、交换机、铁塔天线、天线共用器、MODEM、RADIO等部分组成。

Objective To investigate the relationship among diameter of treated area,the expendable size of the ablation electrode, and number of overlapping ablations and to design the program for electrode placement by the ultrasound-guided radio-frequency ablation of large liver tumor.

目的 探讨超声引导射频消融(radio frequencyablation ，RFA)治疗肝肿瘤中治疗范围与射频针伞径、布针次数之间的关系，设计较准确的布针定点定位方法。

The radio frequency performance curves of relay were obtained through simulation, and analysis of the equivalent circuit and the main factors which influence the insertion loss, voltage stand wave ratio and isolation of relay were discussed.

对其进行仿真分析得到继电器射频(radio frequency，RF)性能曲线，并讨论了影响继电器插入损耗、电压驻波比及隔离度的主要因素。

If this radio is part of a group, it will return the selected value

如果该radio是组的一部分，将返回已选中的值。

Zenith Radio Corporation, operating W51C [45.1 MHz, Chicago], has received a letter from a listener in Monterey, Mexico, telling of daily reception of this station between 3:00 P.

Zenith Radio Corporation，经营的W51。

Also known as Children's Band, not because of Radio Shack's toy walkie talkies, but for the inane chatter that sometimes goes on in these channels.

也称为儿童频段，不是因为 Radio Shack 公司的玩具无线电对讲机使用了该频段，而是因为这些频道中有时会窜进无用的鸟叫声。

The thermistors used in the prototype are from Radio Shack, although almost any thermistor with a 3% to 5% resistance drop per 1°C temperature rise will do.

该热敏电阻原型中采用的是由Radio Shack的，虽然几乎所有的热敏电阻与3 ％至5 ％的阻力下降，每1° C的温度上升将尽。

"I expect a good game on Wednesday" he told Radio Blu.

&我期待本周三的比赛是一场精彩的对决&他对Radio Blu说。

Thank you for teaching me how to care for others; Thank you for teaching me how to use the CB radio; this taught me how to talk to others, even if they are complete strangers.

还要谢谢你教会我如何去关心别人；谢谢你教我使用CB radio，我学会了如何与别人交流，就算我们素未谋面。

Radio Frequency Identification System BE make use of RF energy to deliver data,belong to a wireless communication technique,is 1 kind not the system of contact type,it constitutes the component contain the application system of the reader,electron label,Antenna,host computer, its induction method depends on passive type Tag with active type Tag distinguish analyse, can be divided into induction coupling and back scattering coupling and induced the coupling is the induction method (as 135 KHzs、13.56 MHzs) which belongs to low frequency、high frequency,the back scattering coupling is the induction method(as 915 MHzs、2.45 GHzs) which belongs to superhigh frequency,microwave, and what we construct apply system is use the high frequency 13.56 MHzs of induction coupling method.

中文摘要无线射频辨识系统(Radio Frequency Identification；RFID)是利用RF能量来传递资料，属於无线通讯技术，是一种非接触式的系统，其组成元件有读卡机、电子标签、天线、主电脑应用系统，其感应方式依被动式Tag和主动式Tag来区分，可分为感应耦合和反向散射耦合而感应耦合是属於低频、高频的感应方式(如135KHz、13.56MHz)，反向散射耦合是属於超高频、微波的感应方式(如915MHz、2.45GHz)，而我们所建构的应用系统是使用高频13.56MHz的感应耦合方式。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。