| 单词 | fish screen |
| 释义 | > as lemmasfish screen 22. Originally U.S. A set of bars or a similar barrier designed to prevent fish from entering or leaving a lake, pond, etc., or from swimming or being drawn into the intake of a facility such as a waterworks or power plant. Also (and in earliest use) more fully fish screen. ΘΚΠ the world > the earth > water > rivers and streams > stream > [noun] > channel for conveyance of water > for surplus water > bars to prevent fish from escaping screen1870 1870 Old & New Mar. 420/1 The anchor ice got jammed into the fish-screens, and for three hours the water supply was cut off entirely. 1888 G. B. Goode Amer. Fishes 57 They had..gone through the screen at the mouth of the pipe. 1953 H. S. Davis Culture & Dis. Game Fish i. vi. 90 At some hatcheries the screens at the outlet of the ponds and raceways are removed before the time at which the fish normally start to migrate, so that they are at liberty to leave. 1983 Globe & Mail (Canada) (Nexis) 22 Nov. The most important design feature to be studied by the committee will be the need for a $40-million fish screen on the canal between the Missouri River system and the reservoir. 2013 J. L. Martin Hydro-Environmental Anal. i. viii. 237 One solution to prevent fish from passing through or being entrained in structures, such as water intakes for water supply..involves physically stopping them by using screens at water intakes. < as lemmas |
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