在观测方面，给出了从射电、红外，可见光、紫外和X射线各波段得到的观测证据，并介绍了星风的两个重要参数、星风的终速和质量损失率。

Observational evidence for stellar winds obtained from radio, infrared, visible, UV and X-ray regions are given. And two important parameters, terminal velocity and mass loss rate, are discussed.

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这列火车可同时处理在通过使用新的4通道，7速新的灵活的曲线轨道上的时间紧至8辆红外遥控器。

This train can handle up to eight cars at a time through the tight curves of the new flexible tracks using the new 4-channel, 7-speed infrared remote control.

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