在控制过程中能反映控制理论中的许多关键问题，如镇定问题、非线性问题、鲁棒性问题以及跟踪问题等。
During its control process, it can reflect many crucial questions in the control theory, such as calm question, non-linear problem, robust question as well as tracking question and so on.
如瑜伽，冥想，太极等任何把你的呼吸和身体连接在一起的活动都有助于让你的情绪变得镇定和平衡。
Activities like yoga, meditation, tai chi etc. Anything that helps to bring you into the present moment and connects you with your breath and body will help you to develop emotional poise and balance.
当我感到紧张的时候，不管是在心里默念还是大声说出来，通过重复如“镇定”“静心”或者“专心”之类的词语，便能起到很大作用。这会让我感到有自制力，而且能增强自信心。
When I feel tense, it helps a lot to repeat words such as' calm ', 'peace' or 'focus', either out loud or silently in my mind.
镇定肌肤法：在一汤匙的芦荟胶中加入7- 15滴具有“镇定”作用的精油如薰衣草或罗马洋甘菊。
Cooling skin treatment: Add 1 tablespoon of Aloe Vera Gel to 7 to 15 drops of a "cooling" essential oil like lavender or Roman chamomile.
火警演习期间，消防警钟将会间歇性鸣响约十秒，如贵户不参加是次演习，请保持镇定及无须理会。
The fire alarm bell will be sounded intermittently during the fire drill. Please remain clam should you not participate in this event.
如果你必须做一件让自己烦心焦虑的事情- - -如演讲或者对抗某人- - -闭上眼睛，深呼吸，然后放松。想像自己镇定而自信地展开行动。
When you have to do something that makes you anxious-like giving a speech or confronting someone-close you eyes, breathe deeply, and relax. Then imagine acting with calm and quiet confidence.
如果你必须做一件让自己烦心焦虑的事情- - -如演讲或者对抗某人- - -闭上眼睛，深呼吸，然后放松。想像自己镇定而自信地展开行动。
When you have to do something that makes you anxious-like giving a speech or confronting someone-close you eyes, breathe deeply, and relax. Then imagine acting with calm and quiet confidence.
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