leaf blade

英 [liːf bleɪd]

美 [liːf bleɪd]

网络  叶片; 刀叶; 叶刃斩; 叶刃

英英释义

noun

• especially a leaf of grass or the broad portion of a leaf as distinct from the petiole
  Synonym:blade

双语例句

• Determination was made on Some physiological indexes of leaf blade of Camellia oleifera.
  对油茶结果枝和非结果枝上不同叶龄叶片部分生理指标进行测定，结果表明，结果枝当年生叶片面积较小，叶绿素含量和光合速率处于较低水平；
• Leaf blade base broadly cuneate to rounded, margin obtusely serrate; drupe and endocarp ellipsoid to oblong.
  叶片基部宽楔形到圆形，边缘钝锯齿；核果和内果皮椭圆形的到长圆形。
• Upward curling of the leaf blade ( called rolled leaf) can result in enhanced erect-leaf habit, increase erect duration and promote an overall erect leaf canopy.
  叶片向上卷曲（称为卷叶）可以引起直立叶的表型，延长叶片直立时间，促进形成直立叶株冠。
• Leaf blade had more proportion than petiole in fresh weight.
  叶片占植株地上部鲜质量的比例高于叶柄。
• Leaf blade thinly leathery; fruit with coarse pubescence.
  叶片薄革质；果具粗糙的短柔毛。
• Proline content and chlorophyll content in leaf blade increased to adapt the saline environment.
  而叶片中脯氨酸含量、单位重量叶绿素含量反而增加，反映了两种牧草在盐渍环境中表现出的生理适应。
• Distribution characteristics of leaf pubescence on leaf blade and hull pubescence on hull were observed under an optical microscope.
  在光学显微镜下观察了粳稻叶片茸毛在叶面上的分布特征和谷壳稃毛在谷壳上的分布特征。
• The leaf blade was more fit for inducing embryogenic callus than the leaf sheath;
  叶片比叶鞘更适合于诱导产生胚性愈伤组织；
• Basal leaf blade oblong, base not cordate.
  基生叶长圆形，基部不心形。
• We applied T-DNA tagging and isolated a rolled-leaf gene from rice which, when over-expressed, could induce upward curling of the leaf blade.
  我们通过捕获T-DNA，从水稻中分离到了引起叶片向上卷曲的卷叶基因。