查询词典 bract
- 与 bract 相关的网络例句 [注:此内容来源于网络,仅供参考]
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Sepals 5--7, bent, 5--7 mm, puberulent; cyme few flowered; involucral bract petiole 1--2 mm wide
萼片5-7,弯曲,5-7毫米,被微柔毛;聚伞花序少数开花;总苞片叶柄1 --2毫米宽 15 A。
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Seed cones terminal, solitary, dehiscent when mature in 1st year; cone scales 8 or 10, decussate, flat, only middle, larger 2 or 3 pairs fertile, each fertile scale bearing 1 or 2 seeds; free bract apex a very short mucro.
球果顶生,单生,成熟时在内1年;珠鳞8或10,交互对生,平,中间,能育的更大的2或3 对的只是,每能育的鳞片有1或2种子;离生苞片先端一非常短短尖头。
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Female inflorescence pendulous or erect, with numerous overlapping bracts; each bract subtending a small dichasium with 2 or 3 flowers; calyx with 1-6 scalelike lobes, or obsolete; petals absent; ovary inferior, 2-loculed; styles 2, free; ovules 2, or 1 by abortion, pendulous from near apex of each locule.
雌花序下垂或直立,具多数重叠操作苞片;每苞片对着一小的二歧聚伞花序具2或3花;花萼具1-6鳞片状的裂片,或废退;花瓣无;子房下位,2室;花柱2,离生;胚珠2,或以败育,从近先端那里下垂具有每一个子房室。
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Flowers unisexual. Male inflorescence precocious, elongate, pendulous, with numerous overlapping bracts; each bract usually subtending a small dichasium with 1-3 male flowers; stamens as many as and opposite sepals or, if sepals obsolete, then stamens of inflorescence to 20; filaments very short, connate or nearly so; anthers 2-loculed, thecae connate or separate, opening by longitudinal slits.
雄花序先有花,拉长,下垂,具多数重叠苞片;通常的每苞片对着一小的二歧聚伞花序具1-3雄花;同数的雄蕊和与萼片对生或,如果萼片废退,然后对20的花序的雄蕊;花丝非常短,合生或近合生; 2室的花药,合生的或分开的囊,以纵裂缝开阔的。
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Longitudinal and transverse sections of different parts of involucral bract Helichrysum bracteatumVent.
运用形态解剖学的方法对蜡菊总苞苞片的不同部位做横、纵切片,用HCl-间苯三酚染色进行细胞壁成分定性研究。
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Female flowers 1-3 per bract, often sessile; bracts often dentate or lobed, accrescent in fruit; sepals 3-5, shortly connate, imbricate; ovary (2 or)3-locular; styles mostly free, laciniate.
雌花1-3 每苞片,通常是无梗;苞片经常具牙齿的或浅裂,在果期增大;萼片3-5,短,覆瓦状;子房2(或3)室;花柱多数离生,条裂。
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Seed cones terminal on branchlets, solitary, globose or oblong, dehiscent when mature in 1st year; cone scales 8-12, peltate, woody, each fertile scale bearing (1 or)2(-5) seeds; free bract apex a small mucro.
顶生的球果在小枝上,单生,或长圆形,开裂在第1年内成熟时;珠鳞8-12,盾形,木质,不是每能育鳞片都着生或2-5种子;离生苞片先端一小的短尖头。
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Seed cones terminal, solitary, globose or subglobose, dehiscent when mature in 2nd year; cone scales 8-16, decussate, peltate, woody, each fertile scale bearing 3-20 seeds; free bract apex a short mucro.
顶生的球果,单生,球状或近球状,在第2年内成熟时开裂;珠鳞8-16,交互对生,盾形,木质,每能育的鳞片承担3-20棵种子;离生苞片先端一短短尖头。
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Seeds navicular, convex on 1 side, with a deep groove on other; pedicel as long as or longer than bract, rarely slightly shorter.
种子舟形,凸的在一边上,具一个深的槽沟在另1面;花梗等长或长于苞,很少稍微有点短。
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The results are as follows:(1) The morphological investigation indicated that the nectaries werelacked on the main nervation, calyx and bract of cotton line 97014 comparedwith TM-1. Alveolate hollow was absent at main nervation of the mature leaf.Results of cytological analysis showed that 97014 lacked nectariferous structure.Where nectary inserted were parenchyma cells, cupped structure and brownnectariferous substance on the lower epidermis were not found.
主要研究结果如下:(1)以棉花无蜜腺品种97014与有蜜腺棉花遗传标准系TM-1为材料,进行形态学比较研究,结果表明棉花无蜜腺品种97014叶片中脉、花萼和苞叶上都缺少蜜腺,成熟叶片叶脉、花萼和苞叶上均无蜂窝状凹陷;组织与细胞切片观察发现,97014缺少蜜腺组织结构,在蜜腺着生处为排列整齐的薄壁细胞,且在下表皮看不到凹陷的组织结构和褐色的蜜腺分泌物。
- 推荐网络例句
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Pradeep Indulkar, a senior official at the Maharashtra state Home Ministry say 101 human were killed and 287 injured.
马哈拉施特拉邦内政部高级官员Pradeep Indulkar称,有101人在冲突中丧生,287人受伤。
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Mark Frei, a senior vice president of West, says 80% of West's homeagents have some college education, compared with 30% of those whowork in office-based call centers.
Frei说,该公司80%在家办公的人员都拥有本科学位,而在公司电话中心工作的人中只有30%拥有本科学位。
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Based on the application of grey forecasting control theory on the hybrid d cable-stayed bridge, the paper puts forward construct control system of the hybrid cable-stay bridge by cantilever assemble construction.
将灰色系统理论和预测控制理论应用于混合梁斜拉桥,提出了悬臂拼装施工的混合梁斜拉桥施工控制体系。