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ؿ 1δ α ѵ üũ?ī 50 ϰ, 7%, ? ִ 1 9 10% ߴ.
ι ù 11 Ͽ̹Ƿ ͳݹŷ?Ʈŷ ¶ ü ī ϴ. 12Ϻʹ ¶ Ӹ ƴ϶ ſ ִ. ڵ 12Ϻ ͳ?Ʈŷ û ִ.
ݾ 50 , ּ 10 5 ݾ ֵ Ǽ .
5 ֻī (0.25~0.85%) ϴ һ å Ѵ. 7 1 ֻī Ͻû ǹȭʿ Ǵ Ȩ ûؾ Ѵ.
ȯ â ֱ ݸ Ȳ ֻī å ù һ ū ǰ ִ١ Ȱ Ҿִ ֻī带 ̿ϱ ٶ١ ߴ.
, ں Ȱȭ 2019 ֻī 2019 864, 2020 8641, 2021 12230, 2022 12 9709 Ǵ ùΰ һε鿡 α.
μ