Then, we analyze the error statistic model when using TDOA to locate, discuss the statistic character of error distribution when using multi-phones location.
通过分析TDOA定位误差模型，讨论了同一辆公交车上同一时刻的多部手机的定位误差分布特征。
Objective To investigate the distribution character of the blood platelet parameters.
目的：探讨血小板参数的分布特征。
Aiming at the randomicity of concrete crack, the author adopt the randomicity finite element model and Monte-Carlomethod to simulate the randomicity of material character and crack distribution.
针对材料性能的随机性和裂缝分布的随机性，引入了随机性模型，采用蒙特卡罗法来模拟其随机性。
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