目的：用电脑计算在每个物体中每点处点源释放出的原始光子和平均能量损失，以获得光子线在水模体中的剂量分布情况。
Object: Using computer to calculate average energy lost by photons at every points in each body, in order to determine the dose distribution of photon radiation in the water phantom.
对于能量损失沿叶高分布影响最大的是二次流损失，其他损失沿叶高分布相对比较平均。
The most affected was secondary flow losses for the energy loss distribution along the blade height, other losses along the distribution was average.
对具有复合泊松分布聚合信元流输入的漏桶算法的性能进行了分析，并提出了一种通过特征函数求得信元流的平均时延和信元损失率的方法。
The article presents a method of multiple buckets policing in ATM environment, which is based on VBR MPEG codec characteristics of I, B, P frame.
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