| unofficial |
not having official authority or sanction; "a sort of unofficial mayor"; "an unofficial estimate"; "he participated in an unofficial capacity" not officially established; "the early election returns are unofficial"
출처: wordnet.princeton.edu/perl/webwn
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| unofficial |
Stale seedbed is not an official category. The residue level after planting dictates the tillage category (mulch-till, reduced-till, or intensive-till. Fields are tilled full-width soon after harvest. The seedbed
출처: www.ctic.purdue.edu/Core4/CT/Definitions.html
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