根据误差传递理论和误差合成方法确定了单摆测重力加速度时的最大摆角。
Based on error transfer theory and error synthesis, the maximum pendulum Angle is determined when simple pendulum is used to measure acceleration of gravity.
方法：根据误差传递理论，用数学方法推导出影响测定结果准确度的因素。
Methods: the factors affecting accuracy are studied using mathematic method based on error delivering theory.
本文针对国内外研究的现状与存在的问题，研究了风险元传递理论在网络计划类项目中的模型和应用。
Against to the existing condition and problems of this study field, this paper studied the model and application of risk element transfer theory in network planning project.
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