or, at least, a visual warning to other toucans.
或者,至少它是向其它巨嘴鸟发出的一个视觉警告。
Basically realized a hedge against early warning, information distribution, path planning and on-site visual simulation and other functions.
基本实现了防患预警、信息分发、路径规划及现场可视化仿真等功能。
Some migraine patients have warning symptoms ( an" aura") before the headache, including visual disturbance, weakness, numbness, or dizziness.
有些偏头痛患者在头痛前会有警示症状(先兆)出现,包括视觉干扰、虚弱、感觉麻木或头晕。
Empty Pocket Detector warning with audible and visual alam.
探测器上有报警的功能.
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