变种

• Like organisms, viruses have variants, generally called strains .
  与其他生物一样，病毒也有变种，一般称之为株系。
• The model of idiosyncratic exchange provides a variant of contrast theory .
  特质交换模型为我们提供了契约理论的一个变种。
• Aplitic varieties are the rule, with the grain size ranging from medium to pegmatitic .
  长英质的变种照例具有中等至伟晶的粒度。
• It is a gardener's improvement on the vestal of the forest, the wild cherry .
  它是一个园艺家培养出的森林修女-野樱桃的一个变种。
• The newly-formed variety would probably inherit from its progenitor some characteristic .
  新形成的变种或许会从它的祖先遗传来某些特性的差异。
• Hornblende bearing varieties bridge the gap over to amphibolites which are in bands and dikes .
  含角闪石的变种填补了带状和脉状角闪岩的中间相。
• It needs not be supposed that all varieties or incipient species attain the rank of species .
  不要以为一切变种或初期物种，都会达到物种的阶段。
• The rock varies in color: white, buff, brown, black, and green varieties occurring .
  岩石在颜色上有多种变化，有白色、淡黄色、棕色、黑色及多种绿色变种。
• The hybrids and progeny of intervarietal crosses of p. graminis were tested on the parental hosts .
  杆锈变种间杂交的一些杂种和后代在其亲本寄主上受到测量。
• These differences are not always as pronounced as among hazelnut varieties of different provenance .
  这些差别未必象不同种源的榛子变种之间所表现的那样明显。