By the leaf, perianth and bulb as explant and divided them 5 ages degree, studied of hyacinth difference explants and theirs ages on bulb induce in vitro.
以风信子的叶片、花被片和鳞茎作为外植体，并将它们分为5个年龄级，研究风信子不同外植体及其年龄对试管鳞茎诱导的影响。
The professor suggested that the 12-leaf rosette on top of the stone might have echoed a motif on the veil that divided the Temple's main sanctuary from the Holy of Holies.
这位教授认为，在石头顶上的12叶莲座可能是重复把圣殿的主圣所与至圣所分开的纱帷的基本图案。
The shape of leaf margin in transverse section can be divided into arcuate and cuneate.
石蒜属植物横切面上叶缘的形状分为圆弧形和楔形两种类型。
The corn curvalaria leaf spot occurred lightly and 20 corn species were divided into two kinds of type of disease resistanse of middle susceptibility and middle resistanse.
弯孢霉叶斑病为轻发生，并将20个玉米品种划分为中感和中抗两种抗病类型。
Gold can be divided into real gold leaf, imitation gold leaf, in addition to copper, aluminum and the like.
金箔可分为真金箔、仿金箔，另外还有铜箔、铝箔等。
Early leaf development is artificially divided into three main stages: the initiation of leaf primordium, the establishment of leaf adaxial-abaxial polarity, and the expansion of leaf blade.
早期叶片发育包括三个主要过程：叶原基的起始，叶片腹背性的建立和叶片的延展。
The results indicated that root-divided alternative irrigation could increase root activities, photosynthesis rate and water use efficiency of tobacco leaf, but decrease transpiration rate;
结果表明，分根交替灌溉可增强烟株的根系活力，保持较高的光合速率，降低蒸腾速率，提高叶片瞬时水分利用效率；
The results indicated that root-divided alternative irrigation could increase root activities, photosynthesis rate and water use efficiency of tobacco leaf, but decrease transpiration rate;
结果表明，分根交替灌溉可增强烟株的根系活力，保持较高的光合速率，降低蒸腾速率，提高叶片瞬时水分利用效率；
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