| formation |
In geology and related fields, a stratum (plural: strata) is a layer of rock or soil with internally consistent characteristics that distinguishes it from contiguous layers. Each layer is generally one of a number of parallel layers that lie one upon another, laid down by natural forces. They may extend over hundreds of thousands of square kilometers of the Earth's surface. ...
출처: en.wikipedia.org/wiki/Formation_(geology)
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| forced expiratory volume |
Spirometry, the most common of the Pulmonary Function Tests (PFTs), is the measurement of lung function, specifically the measurement of the amount (volume) and speed (flow) of air that can be inhaled and exhaled. Spirometry is an important tool used for assessing lung diseases such as asthma, cystic fibrosis, and COPD. ...
출처: en.wikipedia.org/wiki/Forced_Expiratory_Volume
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| forced vital capacity |
Spirometry, the most common of the Pulmonary Function Tests (PFTs), is the measurement of lung function, specifically the measurement of the amount (volume) and speed (flow) of air that can be inhaled and exhaled. Spirometry is an important tool used for assessing lung diseases such as asthma, cystic fibrosis, and COPD. ...
출처: en.wikipedia.org/wiki/Forced_Vital_Capacity
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| forehead |
The forehead is right where you'd think it'd be: directly above the bill, on the front part of the bird's head. It is rarely patterned unusually but is often used when referring to the beak. Some birds, such as southern quail, may have a featherlike projection protruding from their foreheads, but most eastern birds have no outstanding plumage characteristics in this region.
출처: www.geocities.com/easternbirds/Glossary.html
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| fork |
Simultaneously attacking two enemy pieces at one time with one piece.
출처: www.geocities.com/allentownchess/terms.html
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