Also beginning in the thirteenth century, there were new maps refined by precise calculations and the reports of sailors that made it possible to trace one's path with reasonable accuracy.
同样从13世纪开始,经过精密计算,绘制的地图更为精准,加上航海日志,使航行变得可靠而准确。
To achieve this they must research into possible fault modes and set reasonable fault criteria so as to ensure brief precise and timely determining of faults of the rocket.
这样,就必须研究可能的故障模式,制定合理的故障判据,确保简单、准确、及时地判断火箭的故障。
The McKinsey report published last year by the 2030 Water Resources Group believes that such an outcome is indeed possible, and at "reasonable cost", if the right actions were taken.
麦肯锡公司报告公布到2030年,水利集团相信若采取正确行动,以“合理成本”这一结果确实可能。
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