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

• Mixed Surfactants Enhanced Sensitizing Effect in Determination of Trace Lead in Plant Leaf Blade by FAAS
  混合胶束增敏火焰原子吸收光谱法测定植物叶片中的痕量铅
• 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；
• The development and formation of above-ground organs in wheat plant were simulated systematically and comprehensively, including leaf blade, internode and tiller.
  对小麦植株地上部器官形成过程进行了较为系统、全面的模拟研究，建立了包括叶片、节间和分蘖的解释性动态模型。
• Leaves basal and cauline; leaf blade palmately divided.
  一年生草本叶基生和茎生叶片掌状全裂。
• Current year branchlets stout, 2-ribbed; leaf blade thickly leathery, abaxially reddish brown when dry; sepals pubescent.
  当年小枝粗壮，2肋；干燥时的叶片厚革质，背面的红棕色；萼片短柔毛。
• Three genetic coefficients, including maximum phyllochron, elongation internode number and plant height, were used to describe the genetic differences in leaf blade and internode among different wheat varieties.
  模型引入3个品种参数，即最大叶热间距、伸长节间数和株高，分别反映了不同小麦品种在叶片和节间等方面的遗传差异性。
• 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；
• 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。
• 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。
• Through examining the roll strength in the leaf blade special-purpose rolling machine, this article has confirmed the feasibility of rolling leaf blade in the new rolling machine.
  弯辊扩幅机，扩幅弯辊通过对叶片专用辊轧机轧辊的强度进行校核，验证了在新型辊轧机上轧制叶片的可行性。