这样的市场每年需求总量估计大约是50000套。
The total annual quantity demanded in such market is estimated to be about 50000 sets.
需求的满足程度可以通过需求总量和需求结构的满足来衡量。
Satisfaction degree of demands can be weighed by gross and structure of demands.
在莱梅索斯，仅用于冷却的现代建筑的能源需求总量的70%的能源消耗。
In Lemesos, the energy requirement of a modern building for cooling alone is 70% of the total energy consumed.
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