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单项选择题
同一台机器人在相同环境和条件下,重复多次执行某位置给定指令时,每次动作的实际位置与目标位置都存在位置误差,而这些位置误差都是在一平均值附近变化,该平均值h代表( )。 A. 绝对精度 B. 定位精度 C. 重复定位精度 D. 基础精度
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Which of the following statements are true?(i) A flexed budget allows businesses to evaluate a manager's performance more fairly.(ii) A fixed budget is useful for defining the broad objectives of the organisation.(iii) Relying on fixed budgets alone would usually give rise to massive variances.
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