在重复观测的条件下，手持GPS测量面积的相对误差可以达到2.0％，基本满足林业生产中测量面积的精度要求。
Under the condition of re-observation, the relative errors of measuring area with the pocket GPS could reach 2.0% , which could meet the precision demand of measuring area in forestry practice.
结果表明该系统测量精度基本满足设计要求。
Result shows that the measurement precision of this system satisfies basic require of design.
在电子测量中，频率是一个基本参量，因此，科学技术对频率测量的精度要求越来越高。
The frequency is a basic parameter in the electronic measurement, therefore, science and technology require the precision of measuring frequency higher and higher.
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