莱氏和道尔遗产执行人在争夺最新材料的控制权。双方都想第一步抢占市场(莱希特只在英国抢到了第一，遗产执行方或许会在美国抢占先机)。
Mr Lycett and the Doyle estate vied to gain control of newly discovered material, each trying to get to market first (Mr Lycett was just first in Britain; the estate may make it in America).
矿主的这种主张确立“先占先用”优先权，使他能够根据需要尽量用水。
The miner's claim established a "first-in-time, first-in-use" priority allowing him to take as much water as he required.
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