This would ensure a moderate quantity of harm minimisation.

这将确保适度数量的损害减少到最低。

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The population control is in the sense of keeping simultaneously the quantity of population in a moderate size to enlarge the quality of population continuously.

人口控制就是把人口数量控制在一个适度的范围内，同时不断提高人口质量。

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And the city untreared sewage is an excellent renewable low potential energy because it is moderate temperature, large quantity and widespread distribution.

城市原生污水以水温适中、数量巨大、分布广泛等特点，成为极佳的可再生绿色低位能源。

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