Okungeziwe okungu-70% kokuthengiwe
Idatha yesayensi ifaka imikhakha eyahlukahlukene - isibonelo, ubunjiniyela bedatha, ukulungiswa kwedatha, ukumbiwa kwedatha, izibalo zokubikezela, ukufunda ngomshini nokubona idatha, kanye nezibalo, izibalo kanye nohlelo lwesoftware. Kwenziwa ikakhulukazi ososayensi abanekhono ledatha, noma abahlaziyi bemininingwane esezingeni eliphansi nabo bangabandakanyeka.
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