ID 原文 译文
39746 通过数学建模，将LOP转化为整数线性规划(Integer Linear Programming，ILP)问题。 The mathematical model is used to convert the LOP into an Integer Linear Programming(ILP) problem.
39747 在满足网络覆盖率及连通性条件下，以网络成本最低为求解目标，并使用Gurobi进行求解、运用Matlab进行仿真展示，最终得到不同规模下的网络优化方案，验证了模型的正确性及可扩展性。 On condition of the required network coverage and connectivity, aiming to minimize the network cost, being solved by Gurobi and simulated and demonstrated by Matlab, the network optimization on different scales is obtained and the correctness and scalability of the model is verified.
39748 为解决微生物发酵法制取氨基葡萄糖(Glucosamine，GlcN)过程中N-乙酰氨基葡萄糖(N-acetylglucosamine，GlcNAc)含量难以在线测量的问题。 In order to solve the problem that the content of N-acetylglucosamine(GlcNAc) in the process of preparing glucocosamine(GlcN) by microbial fermentation is difficult to measure online, an improved prediction algorithm based on stochastic forest algorithm, genetic algorithm and neural network algorithm is proposed.
39749 提出一种由随机森林算法、遗传算法及神经网络算法相结合的改进预测算法。 The algorithm utilizes the feature of decreasing average impurity in random forest algorithm to analyze the relevance of the input characteristics.
39750 利用随机森林算法中平均不纯度下降的特点，对输入特征进行关联性分析，并通过遗传算法对神经网络初始权值、阈值进行优化。 The initial weights and thresholds of the neural networks are optimized by the genetic algorithm.
39751 以某氨糖生产企业发酵过程中的数据为基础，建立基于RF-GA-BP算法的预测模型。 A prediction model based on the RF-GA-BP algorithm is established based on the data from the fermentation process of an ammonia sugar production enterprise.
39752 结果表明：该模型对发酵生产过程中N-乙酰氨基葡萄糖含量具有良好的预测能力，所提出的模型兼顾了高精度与快收敛的需求，测试样本预测平均误差低于7%，优于GA-BP模型与传统BP模型。 The results show that the model has a good prediction ability for the content of GlcNAc. The prediction model has a fast convergence rate and a high accuracy. The average error is less than 7%, which is better than the GA-BP model and the traditional BP model.
39753 光环境对岸桥司机的工作效率具有重要影响。 The luminous environment has an important effect on the efficiency of quay crane drivers' work.
39754 针对在光照强度不断变化下的岸桥司机排班问题，建立光照影响效率理论模型和港口作业三维仿真模型， Aiming at the quay crane drivers' shift arrangement under the changing illumination intensity, the theoretical model of illumination influencing efficiency and the 3 D simulation model of port operation are established.
39755 分析不同光照条件下对码头岸桥司机工作的影响，并研究得出岸桥司机的最优排班策略。 The influence of different lighting conditions on quay crane drivers' work is analyzed to find the optimal scheduling strategy.