addition line

基本解釋

The molecular cytogenetics and disease resistance of addition line H20 and substitution line H1 from wheat-P.
對(duì)小麥-華山新麥草附加系H20和代換系H1的抗病性及分子細(xì)胞遺傳學(xué)進(jìn)行了研究。
Many progenies were obtained by a Brassica oleracea-Sinapis alba monosomic alien addition line plant selfing.
將甘藍(lán)-白芥單體異附加系自交，獲得了其自交后代。
A conclusion could be made that the alien addition chromosomes in the disomic addition line can steadily pass on to its offspring, which can be used for gene mapping.
表明該二體附加系的附加染色體能在雜種后代中穩(wěn)定傳遞，不易因遺傳排斥而丟失，可用來進(jìn)行有關(guān)農(nóng)藝性狀的基因定位研究。
chazidian.com

If you're writing a one line function, whose sole purpose in life is addition, and, clearly, this is about addition, well, then it's, in fact, A reasonable to use a shorter symbol like A, but I do have to specify it's type.
如果你在寫一個(gè)一行的函數(shù)，它唯一的目的是,做加法，顯然這是關(guān)于加法的，好的，實(shí)際上，用一個(gè)短的標(biāo)識(shí)符是合理的，像，但是我必須指明它的類型。
哈佛公開課 - 計(jì)算機(jī)科學(xué)課程節(jié)選

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