查询词典 GPS

Related column: Why felons should be grateful for GPS monitors .

相关专栏：为什么罪犯应该感谢的GPS的监控。

Using the a hand-hold GPS and wireless transmitting unit to rapidly locate the fire and determine the rate of fire spread, which also offered an indispensable way of verifying the speed of forest fire appealing. Discussing the representation and Computing Method of the simulate calculation error based on the thorough investigation of the sources of simulate calculation error. Pointing out that the speed and directional error are the root of forest fire appealing simulates error. Thus increasing the parameter of error correction is an effect way of reducing systematicsimulationerrors.

4提出了一种利用手持GPS和无线传输设备来快速测定火场位置和林火实际蔓延速度的方法，为林火蔓延模拟速度验证提供了必要的手段；对林火蔓延模拟误差的来源进行了全面分析，探讨了林火蔓延误差的表现形式和计算方法，指出了林火蔓延速度误差和蔓延方向误差是林火蔓延误差产生的根源，提出了通过增加系统误差修正参数来减少系统模拟误差的有效方法。

By combining a case analysis and experiences and lessons from the fire prevention work, the author put forward the development direction and the key improvement of forest fire prevention technology as follows: keep on the studies on weather and situation of forest fire and the short-term, medium-term and long-term fire forecasting, establishing the countrywide forest fire forecasting system step by step, enhancing the biologic fire prevention construction based on forest- prevention web and system, improving the ability of the initial fire obstruction, expanding the forest fire plan, strengthening the management of combustible substances, completing the national satellite network for forest-fire monitoring as soon as possible, speeding up the construction of computer assistance decision system, GIS forest resources geography information system and the GPS world fixed position system, strengthening the fire prevention communication and the extinguishing fire with aviation airplane and chemistry, implementing the modernization of fire machine tool.

结合实例分析及我国森林防火工作的经验和教训，提出了未来我国森林防火技术的发展方向和改进重点：继续努力开展火险天气、火险形势的科学研究和短期、中长期火险预测预报工作，逐步建立全国林火预报系统；加强以防火林带网络和体系建设为主的生物防火建设，提高对初发火的阻隔能力；推广计划火烧，加强可燃物管理；尽快完成全国卫星林火监测网络建设；加快微机辅助决策系统、GIS森林资源地理信息系统和GPS全球定位系统建设的步伐；加强防火通讯；加强航空飞机灭火和化学灭火的力度；实现扑火机具现代化等。

There are many factors affecting mountain seismic survey accuracy and efficiency there, i.e. the height accuracy of GPS survey and the operating efficiency under the conditions of forest-covered area and rough topography.

影响山地地震测量精度和作业效率的因素很多，主要是GPS测量的高程精度、森林覆盖区、恶劣地形条件下的作业效率等问题。

In the 1990s last century, the logistics technology have developed so much. it may reflected on the technology of the equipment mainly , include the automatic warehouse , containerized transport , large-scale freight transportation truck and following GPS and GIS technology, etc..

在上世纪90年代，物流技术的发展主要体现在设备技术上，包括自动化仓库，集装箱运输，大型货运卡车以及随之而来的GPS和GIS技术等。

But this flowing velocity may change with the moving of the machine gathering GPS and GIS device.

而在集成有GPS和GIS的机具上，这种投入速率可以随机具的移动而自动地进行改变。

Today,GPS has been used to built up the new control networks,to verify and improve the existed ones, or to strengthen the laters, and also be used to match the global or local geoids.

用GPS技术在建立新的地面控制网、检核和改善已有地面网，对已有地面控制网进行加密及在拟合区域大地水准面方面都发挥了重大作用。

A intelligent system in Global Positioning and remote monitoring for Construction Machinery has been developeded. It has taken the grab machine as the monitoring object and selected some advanced technology, such as GSM, GPS, PPI.

以挖掘机为监控对象，结合目前成熟技术，选用GSM、GPS、PPI等模块，研制了一套&工程机械全球定位与远程监控系统&，系统由远程数据采集终端和上位机监控系统组成。

For instance: MCU is used as the controller, GSM as the communication component, GPS as the Global Position component, PPI as the data exchange interface with PLC controller, and they communicate through their own channels respectively without disturbance.2. According to the special function demands of the grab machine, a series of practical communications protocol has been made.

该终端以单片机作为控制器，GSM作为与外部通信部件，GPS作为全球定位信息采集部件，PPI作为与工程机械PLC数据交换接口，通过多路通信接口实现信息互不干扰传输。

It is possible to use GPS alone to keep a very stable and slow flying airframe on a particular ground track on a calm day.

可以只用GPS就可在地磁平稳的时间内，在地面跟踪较为稳定和慢速的飞行器。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。