When observing energy level of a chaotic system changing with one of the parameter, there are many avoided crossing, which possibly is an important sign of quantum chaos.

在研究经典混沌系统的量子能级随某一参数变化时，人们观察到了大量的“能级回避交叉”，这种现象很可能是量子混沌的一个重要标志。

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Progammes include the Global Sea Level Observing System ( GLOSS), regional tsunami warning systems and the Harmful Algal Bloom Programme ( IOC-HAB).

UNESCO: Ocean industries and the scientific community join forces to monitor the ocean | United Nations Educational, Scientific and Cultural Organization

These include the international seismic monitoring network, the international array of sea level measuring stations (the Global Sea Level Observing System, the Global Telecommunication System of the World Meteorological Organization and associated public geostationary satellites) and the internet.

UNESCO: & CTBTO: Working together to issue timely alerts