伸长

• The elongation at break is increased and the specimen may neck before fracture .
  断裂伸长增加，试验出现细颈状，然后断裂。
• Such seedlings are characterized by having elongated hypocotyls or epicotyls .
  这样的幼苗具有伸长的下胚轴或上胚轴的特征。
• The increase in volume during elongation is accompanied by a vacuolation of the cell .
  伸长时体积的扩大伴随着细胞的液泡化。
• At the onset of germination, the hypocotyl elongates rapidly by cell enlargement .
  萌发开始时，下胚轴依靠细胞增大而迅速伸长。
• It reflects the timing of vegetative shoot extension vis-a-vis flower development .
  它反映了营养小枝的伸长同花的发育在时间上的矛盾。
• Acropetal differentiation of the cambium layer continues as the primary root elongates .
  形成层的向顶分化像初生根伸长一样在继续进行。
• Obviously, if the various bars sustain forces they will undergo extension or contraction .
  很明显，如果各杆受力，就会发生伸长或缩短。
• Textured yarns that have been programmed for extraordinary extensibility are known as stretch yarns .
  具有特别伸长性的变形纱称为弹丝。
• A simple normal or direct stress produces a certain elongation or contraction of the material .
  单纯的正应力使材料产生一定的伸长或缩短。
• Conelet-drop is at a maximum when shoot extension occurs at a time close to anthesis .
  在接近开花而营养枝又在伸长时，球花早落的数量达到最多。