要改善用水效率是绝对可行的，且富裕国家的工业人士早就在做，为每一顿钢铁节省用水，以增加国民所得的每一个单位(见下图)。
Improving efficiency is doable and industrial users have done it, cutting the amount of water needed to make each tonne of steel and each extra unit of GDP in most rich countries (see first chart).
在西方国家，我们以千为单位计数，但是在日本他们是以万为单位计数。
In western countries we count in thousands, but in Japan they count in ten thousands.
本次有19个国家被列入以季度为单位的研究范围之内，其中仅瑞士和中国在迄至六月的过去一年内房市有回升迹象。
Among the 19 countries we survey each quarter only Switzerland and China had housing markets that registered any increases in the 12 months to June.
2001年起国家科研计划管理模式发生了重大转变，从以单位为中心逐步向以课题为中心的课题制模式转变。
Since 2001, a great change has taken place in the management model of the National Scientific Research Project; changing from an institute-oriented system to a task-oriented system.
2001年起国家科研计划管理模式发生了重大转变，从以单位为中心逐步向以课题为中心的课题制模式转变。
Since 2001, a great change has taken place in the management model of the National Scientific Research Project; changing from an institute-oriented system to a task-oriented system.
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