To set a green land norm is one of the important parts in the urban planning of the green land system, as well as a standard to evaluate the environmental quantity and quality of a city.
城市绿地指标的制定是城市绿地系统规划的重要内容之一，是一个城市绿色环境数量及质量的量化标准。
One product glue formaldehyde release a quantity of EO level is the real green environmental protection product.
其中产品中胶水甲醛释放量达EO级是真正的绿色环保产品。
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