data accuracy中文什么意思

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1. Nevertheless , errors in data collection , time lag , or the correlations among variables all can lead to the uncertainty of the data accuracy . for example , should we take the total number of students in the beginning , the middle , or the end of a school year as the number of registration of the year
   然而，由于资料收集的误差、时间的延迟( lag )或变量间交互影响，造成数值资料本身具有不确定性与模糊性。例如每年的学生人数，年初、年中和年终数值往往有所不同。又如股票指数涨跌，开盘与收盘，最高价与最低价亦有相当的差距。
2. It is to satisfy the needs of modern management of university to practise the project of digital chengdu university of technology . improve gee - information sharing and make the geo - information to be scale at the same time . the thesis put forward the primary design and the work flow of the project of digital chengdu university of technology . in the surveying field , digital photogrammetric surveying , which improves efficency and data accuracy , almost have taken the place of tranditional field observation method
   建立“数字成都理工大学”校园工程是为了满足成都理工大学现代化的管理的需要，加强地学信息的共享，同时使成都理工大学地学信息产业尽快形成规模效益。本文提出了“数字成都理工大学”校园工程初步设计方案和具体工作步骤。数据采集利用了数字摄影测量手段，进行数字化测图，改变了传统的实测的方法，提高了效率，增加了数据的精度。
3. Three layers of multi - sensor data fusion are presented in the motion control system of auv , which are data layer , control layer and perception layer . hi the data layer , some data fusion methods are applying to decrease the negative influence of low resolution and high invalid - point rate of sensors and improve the data accuracy and reliability
   在数据层中，研究多传感器数据的融合方法(结合传感器的故障诊断、团队一致法和线性平滑滤波)以弥补水声传感设备分辨率低、野点率高的缺陷，提高数据的精度和可靠性。
4. D - atis and d - volmet was put into operational use in april 2001 , while pdc delivery via data link was put into use in december 2001 . instead of delivering the information by voice broadcast , these services allow direct displayprintout of relevant airfield and weather information as well as atc instructions in the cockpit via data transmission , and hence help reduce the workload of controllers and pilots , as well as enhance data accuracy
   自此以后，有关飞行区和天气的资料及航空交通管制指示，便可以透过数据传送方式，在飞机驾驶舱内直接显示或列印出来，而无须再以声音播放这类资料，这些服务既能够减低航空交通管制员和飞行员的工作量，亦可提高数据的准确度。