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Keyboard: We use counter poise balancing leaded technique and choose special multilayer basswood laminated keyboard, dependable quality and it isn't easy to twist more sensitive rally.

键盘：采用砝码平衡加铅技术，选用多层椴木叠压专用键盘，质量可靠，不易变形，回升更灵敏。

Singlechip do I use a keyboard circuit, to imitate the keyboard matrix circuit, the majority of bond energy signal.

详细说明：我用单片机做的一个键盘电路，模仿键盘矩阵电路，大部分键能发信号。

Another MCU, 89C2051 is used to realize the control of the three rows LED monitor showing coordinates of axis X and Z axis and other state of the system. Charnel A and C of 8155 are used for editor keyboard, which make the inputting or editing of the NC code and data possible. Charnel P1 of 8031 is used for the operation keyboard such as system power on/off and movement of axis X or Z. a programmable parallel I/O chip, 8255, is used to achieve system I/O and the transmission of other information. In summarize, the system developed is characterized by its simplicity, low development cost and high reliability.

在CPU存储器扩展电路设计中， CPU选用MCS-51系列的8031单片机，外扩32K的程序存储器和 8K的数据存储器，分别用于存放系统管理程序、数控加工程序以及运算数据；在显示电路设计中，选用MCS-51系列的89C2051单片机作为从CPU，控制三排LED显示器，用于X轴、Z轴动态坐标以及相关数字的动态显示；在手动键盘和编辑键盘设计中选用8155芯片的PA口和PC口作为行、列母线，扩展矩阵式编辑键盘，用于程序和数据的输入或编辑，同时选用8031单片机的P1口扩展手动键盘，用于系统启动、停止以及运动部件在X、Z轴方向的手动控制；在I/O口扩展电路设计中选用8255芯片扩展输入输出口，用于接收和传送开关量及相关信息。

You can trace the outlines of such patterns, you know how to move your head to get a better view, and you know when you have moved it too far to see the whole keyboard. You can obscure any feature of the keyboard by holding your finger at an appropriate location between it and your eye. And instead of describing the relation between the Intel logo and the 'P' key, you can use your finger to trace a connecting path.

你能循迹这样的样式，知道如何移动你的头获得更好的视角，你知道当你移动足够员能够看到全部键盘的时候，你能在它和你的眼睛之间，用手指分不清任何键盘的特征，取代在'图标'和'P键'之间关系的描述，你能用你的手指循迹一个相关路径。

Start must be activated on power rather than on the keyboard "Alt + Ctrl + Del" key to the kind of three hot-start, because some viruses can be interrupted through the interception of the keyboard, their presence in memory.

启动必须是上电启动而不是按键盘上的"Alt+Ctrl+Del"三键的那种热启动，因为某些病毒可以通过截取键盘中断，将自己驻留在内存中。

IBM Enhanced Performance Wireless Keyboard and Optical Mouse - keyboard , mouse

又一款待指点杆的键盘，价格也不便宜 140美金左右。

Thereinto,the measuring circuit is composed of heating circuit, voltage follower circuit, warning circuit, gas sensor failure indication circuit and power supply indication circuit;The microprocessor adopts 8051 Single - Chip computer;The LED adopts Seven LED figures display;The keyboard adopts separate type non-coding keyboard.

其中测量电路由加热电路、电压输出电路、报警电路、气敏元件损坏指示电路和电源指示电路组成；微处理器采用8051单片机；LED显示采用七段LED数码显示器；键盘采用的是独立式非编码键盘。

All of the Hohner "hinged" basses - 264, 265 and 268 - have a physical note pattern similar to that of keyboard instruments -"white keys" on the bottom tier,"black keys" on the top tier, staggered in keyboard half-step fashion.

所有Hohner"有链的"低音口琴，264，265还有268在音符的排列上都与键盘乐器的排列相当相似。

The OQO model 02 with pocketable ultra mobile form factor incorporates 1.2GHz or 1.5GHz VIA C7M VLA ultramobile processor, and features 30GB or 60GB hard drive shock-mounted with active drop detection, 512MB or 1GB DDR2 SDRAM, 5 800 X 480 native but interpolated up to 1200 x 720 indoor/outdoor readable LCD display, HDMI output for connectivity to HDTV displays or DVI monitors up to 1920 x 1200, VGA output through bundled VGA/Ethernet adapter for analog monitors up to 1920 x 1200, DisplaySense for detection and recall of external display settings, ergonomic thumb keyboard with SmartLock modifier keys on ergonomic backlit keyboard, mouse buttons and integrated track stick pointing device, integrated capacitive TouchScrollers for horizontal and vertical scrolling, integrated EV-DO WWAN for Sprint, WiFi 802.11a/b/g, Bluetooth 2.0 wireless with EDR with A2DP support, USB 2.0 port, 3.5mm audio out jack, line-in port, microphone port, integrated active digitizer with optional digital pen, up to 6 hours of battery life, embedded hardware AES encryption engine, integrated TPM 1.2.

该电脑模型02与超便携移动形式的因素，包含1.2 GHz主频，或1.5 GHz主频的经c7m vla超处理器，并具有30GB或60GB硬盘驱动器休克式与积极的下降检测， 512MB或1GB的DDR2 SDRAM ， 5 800 × 480 ，但本土插值高达1200 x 720户内/户外可读的LCD显示器， HDMI输出连接到HDTV显示器或DVI显示器最多为1920 x 1200 ， VGA输出，通过捆绑的VGA /以太网适配器模拟监视器最多为1920 x 1200 ， displaysense检测和还记得对外显示设置，符合人体工程学拇指键盘与smartlock修改键就人体工学背光键盘，滑鼠按钮和综合的轨道，坚持指向装置，集成电容touchscrollers为水平和垂直滚动，综合的EV - DO ，为Sprint的无线广域网，无线网络的802.11 a /的B /克， Bluetooth 2.0无线与EDR的与您需要的支持， USB 2.0端口， 3.5毫米音频输出端子，线在港口，麦克风端口，集成的数字化仪积极与任择数字笔，最多6小时的电池寿命，嵌入式硬件AES加密引擎集成TPM的1.2。

For example, when you press a key on your keyboard, the signal is sent to the keyboard interrupt handler, which tells the CPU what it is and passes it on to the operating system.

例如，当你在键盘上按一个键的时候，信号就被发送到键盘中断处理程序，后者告诉CPU 这个信号是什么并把它传给操作系统。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。