Firstly, 1900-1950 was a trend of increase. Agricultural water use gradually increased from the original 500,000 cubic meters to 1,000,000 cubic meters in 1950. That of industrial and household use remained almost unchanged, only rising from almost zero in 1900 to 500 cubic meters and 200 cubic meters respectively in 1950.
其次,1950年前后起,农业用水量开始进入大幅度增长期,从1,000千立方快速跳跃到1960年的1,500千立方;之后,升幅有所放缓,但接着又开始高位窜升,截止到2000年,已经达到了3,000千立方。1950年后,工业用水增幅也开始加大,1985年达到了800千立方,之后增幅继续加大,到2000年达到1,200千立方。家庭用水从1950-1970年间开始加速,从0.2千立方上升到0.4千立方,然后,增长更强劲,一路攀升到了2000年的300千立方。
Secondly, around 1950, agricultural water use entered a period of substantial increase, jumping from 1,000,000 cubic meters to 1,500,000 cubic meters in 1960. Afterwards, the increase slowed down slightly, but then gained even stronger momentum and by 2000, it had reached 3,000,000 cubic meters. After 1950, industrial water use also began to increase greatly, arriving at 800,000 cubic meters in 1985. Then it continued to increase at an even bigger rate and reached 1,200,000 cubic meters in 2000. Household water consumption started to increase a little bit faster between 1950-1970, rising from 200 cubic meters to 400 cubic meters, then the increase accelerated and quickly climbed to 300,000 cubic meters in 2000.
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