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- Furthermore, the F1 hybrids of D5 when crossed to both indica and japonica varieties showed strong positive heterosis in yield characters but negative heterosis in plant height. 目D5与籼、粳品系测交在产量性状上均表现出较强的杂种优势,而株高较矮,具有负向超亲优势。
- tissue nitrogen accumulation generaly indicated positive mid-parent heterosis at different growth stages, but fructan and nitrogen content shew negative heterosis. 籽粒产量、籽粒氮(蛋白质)产量和含量的平均中亲优势分别为8.;55%25、7
- The answer to my request was in the negative. 对我的请求的答复是否定的。
- His answer to my request was a negative. 我的请求遭到了他的拒绝。
- The tests for hepatitis were negative. 肝炎检查结果是阴性。
- Their criticism was not negative. 他们的批评并不是负面的。
- Do a blow-up of this corner of the negative. (对某事的)详尽的报道。
- negative heterosis 负优势
- I have a negative opinion on the value of this idea. 我对这个主意持反对意见。
- How many copies do you ask us to print off from the negative? "用那张底片,你要我们印几张像片?"
- A way of producing the negative of a number by obtaining its complement. 一种通过求一个数的补码来得到该数的负数的方法。
- The positive or negative character of a proposition. 命题的性质命题的肯定或否定的性质
- An electron with a negative charge, as contrasted with a positron. 电子带有负电荷,与正电荷相反的电子
- A negative reaction to the new advertising campaign. 对新广告的宣传手法持反对立场
- The unary minus produces the negative of the value. 一元减号得到的运算对象的负值。
- Altering the meaning of a term from positive to negative. 表否定的将一个词的意义由肯定变为否定的
- The maiority of SCA of hybrid crosses were negative,nonadditive effects were also small,which showed low heterosis. 杂交组合的SCA效应值绝大多数为负值、非加性基因效应小,难于显示杂种优势。
- How many copies shall we print from the negative? 用这张底片我们要印多少张相片?
- A negative sentence contains a negative word. 否定句都包含一个否定词。
- Gave a negative answer to our request for funding. 对我们的财政要求给予否定的回答。