annual ring
(mathematics) A test statistic used in the chi-square test. / A journalism educator or researcher focusing on statistical methods and quantitative measurement.
To keep back; to retain. / To keep in store for future or special use. / To book in advance; to make a reservation. / (obsolete) To make an exception of; to except.
The layer of wood, observed as one of many concentric rings when cut, formed during one year of a plant's growth
plural of sexplorer
植物学者はその年の降水量を調べるために幹の年輪を調べた。
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