英语词汇“mean sea level”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

mean sea level n. the average height of the sea; spec. the mean height relative to a fixed level on land as calculated from measurements made at frequent intervals over an extended period such as a year.

ΚΠ

1863 R. Fitzroy Weather Bk. 15 (note) Its [sc. the barometer's] average height being 29·95 inches at the mean sea level in England on the London parallel of latitude.

1926 J. Malcolm Agric. Surveying v. 123 The datum adopted in the Ordnance Survey of Great Britain, denoted by the letters O.D., was what was considered in 1844 to be mean sea level at Liverpool... The new datum is mean sea level at Newlyn.

1968 R. W. Fairbridge Encycl. Geomorphol. 871/2 During the last glacial period of the Pleistocene, mean sea level was lowered by about 100 meters or more. River valleys cut down towards a new profile of equilibrium.

1991 Flight Internat. 9 Oct. 42/3 The existing tiny island of Chek Lap Kok will be levelled, and the rock used as landfill to create a platform for the airport, 10m above mean sea level.

单词	mean sea level
释义	> as lemmas mean sea level mean sea level n. the average height of the sea; spec. the mean height relative to a fixed level on land as calculated from measurements made at frequent intervals over an extended period such as a year. ΚΠ 1863 R. Fitzroy Weather Bk. 15 (note) Its [sc. the barometer's] average height being 29·95 inches at the mean sea level in England on the London parallel of latitude. 1926 J. Malcolm Agric. Surveying v. 123 The datum adopted in the Ordnance Survey of Great Britain, denoted by the letters O.D., was what was considered in 1844 to be mean sea level at Liverpool... The new datum is mean sea level at Newlyn. 1968 R. W. Fairbridge Encycl. Geomorphol. 871/2 During the last glacial period of the Pleistocene, mean sea level was lowered by about 100 meters or more. River valleys cut down towards a new profile of equilibrium. 1991 Flight Internat. 9 Oct. 42/3 The existing tiny island of Chek Lap Kok will be levelled, and the rock used as landfill to create a platform for the airport, 10m above mean sea level. extracted from meanadj.² < as lemmas
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