Because flame stability control is the key to assure process quality, the two-step decompression method is used to control the flow of flame gas.

因火焰稳定性控制是保证该工艺质量的关键，所以采用二级减压方法对火焰气体流量进行控制。

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By using a microcontroller to control the step time of two stepper motors, sinusoidal motions of heaving and pitching in phase for the experimental model are obtained.

由单片机控制步进电机的步进时间，实现了实验模型按正弦规律同步地平动和转动。

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For systems with input nonlinearities, a two-step control scheme is adopted.

对存在输入非线性的系统，采用两步法预测控制策略。

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Plans for a new joint control system enabling two Yorkshire fire services to handle each other's emergency calls has taken a step forward.

BBC: French firm supplies new Yorkshire fire control systems