In order to produce the required energy on board, two eco-friendly systems have been put in place.
为了减低船上的能源需求，建立了两个环保系统。
A number of private companies as well as public institutions provide qualifications in building energy rating, renewable energies, energy management systems and other eco-friendly skills.
很多家私人公司并且公共机关在大厦能源规定值、可再造能源、能量消耗监控系统和其他eco技能提供资格。
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