This paper presents an approach to the automatic enrichment of lexicon in a natural language understanding system to simulate man's word learning ability.

提出一种方法，用以实现自然语言理解系统的自动词汇扩展，以模拟人的词汇学习能力。

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The system uses electro-hydraulic moment servo control system to simulate wave torque and PID algorithm to control. The result of simulation is up to the requirement.

本系统用电液力矩伺服控制系统来模拟海浪力矩，采用PID算法进行控制，其仿真结果符合要求。

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The leve of packing automation increase rapidly. To realize different complex packing, using the rigid robot system to simulate the movement of human hands is just needed.

包装机械自动化水平日益提高，为了实现各种复杂的包装，利用机器人手臂模拟人手的运动已日益迫切。

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This kind of transmission uses a pulley system to simulate gears and is usually more efficient than traditional automatic transmissions.

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The company has worked with Boeing to develop a system that uses multiple workstations to simulate the flow of air over an aircraft's wing.

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The best way to see whether a fire-forecasting system works or not is to simulate a fire whose outcome is already known, and see whether the model correctly predicts what happened.

ECONOMIST: Next, the fire forecast