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The result showed that the density of glandular trichomes on mature leaves increased as leaf position went up. 结果表明：叶片腺毛密度随叶位升高而增加，同一叶片的分布规律一致；
But the structural feature and the arrangement of vascular bundles at the abaxial end of the mature leaf petiole of the same species are similar to those of the leaf blade base, which are relatively stable. 但在同一品种的成熟叶叶柄远轴端与叶片基部相接处的结构特征和维管束排列形状常相同,比较稳定。
The DNA from mature leave extracted only by improved CTAB method could be suitable for RAPD analysis. 成熟叶用改良CTAB法提取也可得到适于RAPD分析的DNA；
Mature leaves densely tomentose abaxially, apex truncate. Male flower: adaxial gland square. 背面的成熟的叶密被绒毛，先端截形。雄花正面的腺广场。
High quality tea comes from the bud and the first two leaves of the growing shoot,although more mature leaves are used in some teas. 优质的茶叶来自幼芽和正萌发的头两片嫩叶，不过在某些茶中也采用较成熟的叶子。
Title： ULTRASTRUCTURE OF CHLOROPLASTS AND PHOTOSYN-THESIS IN DIFFERENT SECTIONS OF YOUNG AND MATURE LEAVES OF CYMBIDIUM SINENSE (ANDR.) WILLD. 关键词：墨兰;叶绿体超微结构;叶绿素含量;光合放氧速率
High quality tea comes from the bud and the first two leaves of the growing shoot, although more mature leaves are used in some teas. 优质的茶叶来自幼芽和正萌发的头两片嫩叶，不过在某些茶中也采用较成熟的叶子。
The epidermal characters of mature leaves of 6 genera, 9 species in Verbenaceae were examined by using digital microscope. 摘要在生物数码显微镜下观察了马鞭草科6属9种植物的叶表皮形态。
There are many secondary metabolites in the mature leaves of kenaf in photosynthesis fastigium, which bring many difficulties to the DNA extraction. 摘要红麻处于光合高峰期的成熟叶片中的次生物质含量很高，给DNA的提取造成很大的困难。
In seedlings without treatment, TSB was expressed at high levels in all tissues examined. In young leaves, roots, bark and mature leaves, TSB mRNA abundance decreased sequently. 在未干旱处理植株中，TSB在各个组织中都有较高水平的表达，幼叶、根、树皮和成叶中TSB mRNA含量依次减少；
The olive leaf is a badge of peace. 橄榄叶是和平的象征。
AFLP analysis indicated the primer (EcoRI-TA/MseI-CTT) produced clear polymorphic patterns. Therefore this method could be used for extracting ideal DNA samples from mature leaves of wild peach and suitable for AFLP. 其AFLP分析(引物EcoRI-TA/MseI-CTT)条带清晰,多态性好,说明此方法提取的野生桃成熟叶片基因组总DNA完全适于AFLP分析。
The main results are as follows:The genomic DNA of mature leaves was successfully extracted by improved CTAB method in the pomegranate. A stable and duplicable system of RAPD-PCR was established and optimized. 用改良CTAB法成功的提取出了石榴成熟叶片的基因组DNA，并建立和优化了适合石榴的RAPD-PCR反应体系。
The preliminary result showed that the period of nireogen nitration fluorescence diagnosis was mult-pod to begin grain filling,the time was about 16 Pm,the position was top mature leaves. 初步结果表明,春大豆的氮素荧光诊断的时期为盛荚期至鼓粒始期;诊断时间为16点左右;诊断部位为上部成熟叶片。
I saw him take a leaf out of the book. 我看见他从书上撕下一页。
The maple leaf is the emblem of Canada. 枫叶是加拿大的象征。
The trees and shrubs were in full leaf. 那些树和灌木枝叶茂盛。
Sitting still is foreign to a boy's mature. 静静坐着不合男孩的本性。
This is the most mature of his plays. 这是他最成熟的一部剧作。
One of several metal strips forming a leaf spring. 簧片构成片簧的几个金属片中的一个