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
- 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。 - 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 - 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； - 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。 - 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 not triangular-peltate, perianth not accrescent nor fleshy in fruit.
三角形盾形的不叶片，花被不增大也非肉质在果期。 - Study on the dynamic stress analysis and experiment for leaf blade of steam turbine
汽轮机叶片的动态应力分析与实验研究 - Basal leaf blade oblong, base not cordate.
基生叶长圆形，基部不心形。 - 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。