用线阵CCD测量不规则的薄的形体面积，需要对测量系统进行精确的标定。
It's necessary to calibrate the linear CCD area measuring system which is used to measure the area of a thin object.
它在单一仪器中提供高采样率和高位分辨率特性，使设计人员能够生成理想的波形，以便对雷达、卫星和频率捷变系统进行精确测试。
High sampling rate and high bit resolution provided in a single instrument enable designers to create ideal waveforms for accurate test of radar, satellite and frequency agile systems.
最初进行员工津贴精确计算所需的信息保存在每个公司的工资单系统中。
The information required to perform precise calculation of an employee's benefits originally was kept in each company's payroll system.
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