The purpose of the article is to provide the reference model for the research, design and implementation of the precaution system against hacker attack.
目的是为我国黑客入侵防范体系的研究、设计与实现提供一个参考模型。
By the model, the change of mutual firepower control sections is forecast. Finally it provides a thought of realizing the threat precaution simulating system of carrier fighting group.
依据此模型对双方火力控制区的变化进行预测，最后给出了航母战斗群威胁预警仿真系统的实现思路。
By the model, the change of mutual firepower control sections is forecast; finally it provides a thought of realizing the threat precaution simulating system of maneuver targets on the sea.
依据此模型对双方火力控制区的变化进行预测，最后给出了海上机动目标威胁预警仿真系统的实现思路。
By the establishment of the dynamic model and theoretical calculation, we find out the immediate cause of the accidents and also put forward the methods of taking precaution against accidents.
通过建立动态模型和理论计算，找出了事故发生的直接原因，提出了预防事故发生的方法。
The paper puts emphasis on the application of BP artificial neural net work model to evaluate the port enterprise supply chain risk. Then it studies on the risk handling and risk precaution.
重点是建立了港口企业供应链风险评估系统，运用BP人工神经网络模型评估供应链风险，研究了港口企业供应链的风险处理与防范措施。
The loop closing examination strategies as well as safety precaution methods were introduced and the loop closing equivalent model was established with an example of Shawo Substation.
合环以沙窝站为例，介绍了试验条件、合环试验接线、方法、步骤和安全措施。
The loop closing examination strategies as well as safety precaution methods were introduced and the loop closing equivalent model was established with an example of Shawo Substation.
合环以沙窝站为例，介绍了试验条件、合环试验接线、方法、步骤和安全措施。
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