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Since the model is a large scale and NP-hard combinational optimization problem in the real navigation environment, a hybrid simulated annealing algorithm is employed to search the suboptimal solution composed of a lockage timetable and a ship scheduling, The search starts by trimming the existing lockage timetable based on heuristic rules; the result is then used to compute the ship scheduling by the depth-first-search algorithm. The obtained solution is finally updated by the Metropolis rule.

本文首先提出了该问题的混合整数非线性规划模型，在实际通航调度环境中，该模型属于强NP-hard复杂度的大规模组合优化问题，因此设计了一种混合模拟退火算法来搜索次优化调度方案，该算法将解分解为闸次时间表和船舶调度计划两部分，在搜索过程中用启发式规则对闸次时间表进行调整，然后用深度优先搜索算法根据闸次时间表求解船舶调度计划，最后根据Metropolis规则对当前解进行更新。

Though controlled muscle actions, artificial fishes are able to swim through simulated water in accordance with hydrodynamics. Their functional fins enable them to locomote , maintain balance, and maneuver in the water.

虽然行动受控制，人工鱼在模拟水世界中的游动还是能够遵循流体动力学原理，它们的鳍能够帮助它们前进、保持身体平、并能在水里回旋。

Based on the theoretical solutions developed herein, not only Q - s curve but also s - log curve obtained from field static load test of pile can be simulated.

通过与现有单桩沉降计算理论的对比和对实际单桩静力载荷试验结果的分析与比较，论证了本文理论解的合理性及应用价值。

Results show that,in the Hexi Corridor,the relationship between urbanization and total water utilization can be simulated by a logarithmic curve.

结果表明，河西走廊城市化水平与用水总量呈对数增长关系，与用水效益呈线性增长关系，与人均用水水平的定量关系则较为复杂。

For sunflower, simulated water-limited grain yields are direct correlated with precipitation, and could be expressed by a logarithmic curve.

模型模拟结果可以直接与ArcView地理信息系统连接，模型对地表系统、非饱和系统和地下水系统水分平衡模拟结果较合理。

In view of the existing situation that forest tree heritabilities is estimated too extensively, the paper elaborated the effect of non normal distributions (citing the normal logarithmic distribution and Γ distribution as instances) on estimating heritabilities with simulated data.

针对林木遗传力估算过于粗放的情况，该文以对数正态分布和Γ-分布为例，应用模拟数据阐述了非正态分布对林木遗传力估算的影响。

Meanwhile,by means of rate equations of the SOA,the logic AND gate was simulated and analyzed.

以半导体光放大器速率方程为基础，对设计方案进行了理论分析和仿真验证，取得了不同重复周期、不同脉冲宽度的光脉冲序列经过全光逻辑与门操作后的输出数据。

Logistic curve ; simulated overlap ; GDP ; economic growth

逻辑曲线；模拟迭加；国内总产值；经济增长

The loss of the system can be reduced to minimum. A practical interconnected power system is simulated.

以上各种分析和控制方法都在试验电网中进行了应用性模拟计算，计算结果令人满意。

In the end,the low-pass filter was designed and simulated with Pspice.

最后对滤波器进行了初步设计，最后使用Pspice软件对滤波器进行了仿真。

For the head-teacher of the class said that I had seriously broken the school rules,which led me to a three-day suspend class.

为什么呢？因为我的班主任说我严重的违反了校规，于是让我停课三天。

Many of them believe that the conversion of thousands of working-class folk in England spared that nation from the mass carnage and the tyranny that came with the revolution in France.

他们之中有许多人相信，在英国数以千计的劳工阶级之悔改信主使英国免於遭受如法国大革命所造成的大屠杀和专制暴政。