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This paper is presented in a AT89C51 microcontroller as the core to the simple power line loading dual signal recognition system design. In this system, we design the integrated power, frequency signal generator, and use of four light emitting diode as Display interface, double-button switch-mode power line load control signal.

本文就是介绍了以一种以AT89C51单片机为核心的简单两路路电力线加载信号识别系统的设计，在系统中，设计了集成电源、频率信号发生器，并运用4个发光二级管作为显示界面，采用双按键开关模式控制电力线加载信号。

The company is specialized in producing "drill-licensing" AV-type socket with the core (DASW combination of audio and video outlets), WP-line external socket, strip connector, PZ-type outlet, S-Video , Jacks, push-button power switch, and other seven series (over 300 varieties) of electronic connector products, widely used in electronic imaging, imaging, video, audio, amplifiers, video discs, telecommunications, refrigeration and other electrical equipment Way.

本公司是专业生产《钻宝牌》AV型同芯插座（DASW组合音视频插座）、WP型外接线插座、条形连接器、PZ型电源插座、S端子、插口、按钮式电源开关等七大系列（300多个品种）的电子接插件产品，广泛应用于电子映像、显像、摄像、音响、功放、影碟、电信、制冷等多种电器设备之中。

In this system, a multi-channel selecting switch is added in front of the A/D to acquire the multi-channel signal from the colorimetric pyrometer .

系统在A／D的前端加上多信道选择开关，实现多色比色测温仪的多路信号采集；由单片机控制数据的采集和缓冲，数据则用上位机进行实时处理。

Based on the technique of radiate temperature measurement, the author designs a circuit of prismatic decomposition colorimetric radiate temperature measuring. A high resolution A/D converter and measurement range switch technology are adopted to resolve the problem that it has lower radiation power and lower signal sensitivity in the low-temperature stage, while higher signal amplitude and higher need of dynamic range in the high-temperature stage. The technique of the Black Body Furnace demarcates, digital calibration and the quartic curve fitting are applied to correct the sensor and improve its measurement precision.

3研究了辐射温度测量技术，设计了棱镜分光比色辐射温度测量电路，使用高分辨率A／D转换器和量程切换技术解决低温段辐射能量小、信号灵敏度低，而高温段信号幅值大，动态范围要求高的矛盾，应用黑体炉标定技术和数字校准方法以及4次拟合校正技术提高温度测量精度。

The Jiangsu HaiXin electrical equipment Limited company found in 2001,which is specialized in producting high and low pressure switch compiete set of equipment,the high and low pressure bus bar rabbet,the electric cable bridge, the box-type transformer substation,the ground metal raceway.

镇江市海鑫电气设备有限公司创建于2001年，是专业生产高低压开关成套设备、高低压母线槽、电缆桥架、箱式变电站、地面金属线槽的专业厂家。

Our main products are: H Series, DK Series metal tube rotameter, VFM-type vortex flowmeter, DW18 Series Flow Switch, DWM1000 electronic flow switches and plug-in DWM2000 electromagnetic flowmeter, BM51, BW25 Series Level Gauge, BM17 , BM34 series liquid level switches, etc., the company is the German company based in China Krohne only metal tube rotameter service and maintenance centers.

公司主要产品有：H系列、DK系列金属管浮子流量计、 VFM型涡街流量计、DW18系列流量开关、DWM1000 电子式流量开关和DWM2000插入式电磁流量计、 BM51、BW25系列液位计、BM17、BM34系列液位开关等，本公司是德国KROHNE公司设在中国唯一的金属管浮子流量计服务及维修中心。

Those 48,000 viewers could be a rounding error caused by the change in channel position (although CNN lost in a couple of months to MSNBC before the channel switch) or to sampling error.

这48，000名观众的差距可能是频道位置变化引起的误差（虽然CNN在频道位置变化的几个月前就落后于MSNBC了）或者是抽样误差。

As I was born in Russia and grew up in Rumania, with a Russian mother and Rumanian father, I never felt attached to a place and I could switch between different country dreams very easily.

因为我出生在俄罗斯而在罗马尼亚长大，拥有一个俄罗斯母亲和一个罗马尼亚父亲，所以我从来没感到过依恋某个地方，并能够在不同国家的梦想之间非常轻松地转换。

In formal we adopt 1.5-bit/per stage technology and a 2-bit flash ADC in the last stage. We adopt switch-capacitor circuit to design the sample and hold circuit and the multiplying DAC.

本次设计为九阶段的管线式类比数位转换器，前八个阶段采用1.5-bit/per stage的技术，最后一个阶段则为一个2-bit的快闪式类比数位转换器。

All you have to do,"Russell told Sargent,"is to give the orchestra their beat and cue in the piano by an electric switch held in your left hand.

罗素告诉萨金特："你所要做的，就是左手拿一个钢琴电动开关来给乐队打拍子，对他们进行提示。"

The X-ray diffract was used to analyze the crystal structure of the composite. Results show that after the talc was treated with blend coupling agent, the crystal structure of talc changed, and effect Intercalation phenomenon.

通过X射线衍射分析可知，用混合偶联剂对滑石粉进行预处理后，滑石粉晶体结构发生改变，产生了插层现象，使PP／滑石粉复合材料为纳米复合材料。

An authentic Maui wedding might require the services of a 'kahu', which is a Hawaiian minister.

毛伊可能需要一个真实婚礼服务'kahu'，这是夏威夷部长。