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
双语例句
- The leaf blade consists of epidermis, mesophyll and vein, which is iso-bilateral leaf.
叶片都包括表皮、叶肉和叶脉，且为等面叶。 - Leaves alternate, rarely apparently opposite; leaf blade floating, veins palmate.
叶互生，很少表面上对生；叶片漂浮，掌状脉。 - 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。 - 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。 - 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。 - Leaf blade base cuneate, abaxial surface with gray-white indumentum; corolla magenta-rose.
背面用灰白色的毛被，叶片基部楔形；花冠红色苯胺染料玫瑰色。 - Studies on the relationship between grain protein content and the NR activity free amino acid and crude protein content of leaf blade in Wheat
小麦叶片中硝酸还原酶活性、游离氨基酸和粗蛋白含量与籽粒蛋白质含量关系研究 - 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； - Samara glabrous; leaf blade surfaces smooth and glabrous with tufted hairs on veins, base oblique, apex acuminate to narrowly acuminate.
翅果无毛叶片表面平滑和无毛的具丛生的毛在脉上，基部偏斜，先端渐尖到狭渐尖。 - Basal leaf blade oblong, base not cordate.
基生叶长圆形，基部不心形。