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 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； - Study on Leaf Blade Chlorophyll Change of Different Soybean Varieties
不同大豆品种叶片叶绿素变化规律的研究 - 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； - 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。 - 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。 - 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。 - 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。 - Leaf blade thinly leathery; fruit with coarse pubescence.
叶片薄革质；果具粗糙的短柔毛。 - 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。 - 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。