结合实际试验数据，对数字修约规则、极限数值的表示方法和判定方法等标准进行了概括。
This paper summaries the expression way and judgment method of the numerical value limit, as well as the numerical value correction and rounding rules combined with practical test data.
汽车制造商还热衷于宣传它们的几个试验车型，这将给它们提供氢燃料电池实际性能的数据。
Carmakers are also keen to publicise the handful of trials that are providing them with data on the real-world performance of hydrogen fuel-cell cars.
Morewedge博士说：“通过各种试验取得的实际消耗数据，我们看见大约降低了百分之五十。”
"Across the experiments that measured actual consumption, we saw an approximate decrease of 50 per cent," said Dr Morewedge.
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