为满足全面、科学、合理地管理土地、有效利用土地的要求，需要对（）进行评定。
查看答案
衡量因素的同一水平(同一个总体)下样本数据的误差，称为（）误差。
What is the writer worrying about？
A. Many US software specialists are working for Japan.
B. The software quality has become a worldwide problem.
C. The US will no longer be the leading software player in the world,
D. India and Japan are joining hand's to compete with the US.
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