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| 51. | The simulation results show that guarantee capability for the drop and play-out outage ratio of the proposed scheme outperforms the modified-largest weighted delay first algorithm and exponent proportional fair algorithm, which only take the head-of-line delay into consideration. |
| 仿真结果表明，提出的方法对于丢包率和中断率的服务质量保证能力，均优于修正的最大加权时延优先算法和指数正比公平算法等仅以排队时延为优化目标的混合业务调度算法。 |
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| 52. | We regularly compare the gain in Berkshire's per-share book value to the performance of the S& P500. Over time, we hope to outpace this yardstick. |
| 可能的话，我们希望每位伯克夏股东记录持股期间的市值盈亏，这应该正比于伯克夏的内在价值的变化。这意味着，伯克夏的内在价值和市场价值的比率，应当保持恒定，我们的偏好是1比1。 |
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