他们最初的计算和风洞比例模型实验使他们确信,不需要强风就能提起33.5吨的柱子。
Their initial calculations and scale-model wind-tunnel experiments convinced them they wouldn't need a strong wind to lift the 33.5-tonne column.
当核能被放弃,而其份额被其他燃料按比例填补时,发电所排放的二氧化碳将达到110亿吨左右。
Without nuclear power and with other fuels filling in its share pro rata, emissions from generation would have been about 11 billion tonnes.
印度煤炭公司占国内生产总量的比例超过80%,并控制着180亿吨煤炭存量,这占印度煤炭总量的大部分。
Coal India accounts for more than 80% of domestic production and controls 18 billion tonnes of reserves, most of India's proven total.
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