The low-pollution plane to carry between 50 and 100 passengers will take off using normal engines powered by biofuel made from seaweed before switching on its rocket engines at altitude.

该低污染的飞机可以搭载50到100名乘客，起飞时飞机使用从海藻中提炼的生物燃料驱动的常规引擎，当爬升到特定高度时，飞机会切换到火箭引擎。

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On the basis of the trajectory on the phase plane and Lyapunov' s direct method, switching line is introduced for controlling static compensator under large disturbance.

根据相迹方程和李亚普诺夫直接法提出了在大扰动下控制静止补偿器的开关线。

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Then, study the service trigger procedure in switching plane, including the function of the database.

进而研究业务在交换平面的处理机制，以及用户数据库的作用。

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Then, study the service trigger procedure in switching plane, including the function of the database.

进而研究业务在交换平面的处理机制，以及用户数据库的作用。

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