leaves 中文意思是什麼

音標 [li:vz]
leaves 解釋
n. 名詞 leaf 的復數。

  1. Description : evergreen trees, up to 25 m high ; twigs, buds, petioles, abaxial surfaces of leaves and peduncles covered with yellowish brown rigid hairs

    形態特徵:常綠喬木,高達25米;小枝、芽、葉柄、葉背和花梗均被黃棕色糙伏毛。
  2. Examples include certain species of lycopodium and selaginella, which have two rows of lateral leaves and one or two rows of smaller abaxial or adaxial leaves

    例如石松屬和卷柏屬,植物體上具有雙行較大的側生葉,還有1行或2行較小的生於近軸面或遠軸面的葉。
  3. Leaves thick leathery, obovate - lanceolate, obovate or oblong - lanceolate, 4 - 12 cm long and 2 - 3. 5 cm wide, apex rounded, sometimes emarginated, base cuneate, abaxial surface thinly covered with a grayish to fawn indumentum at first, later glabrescent ; petiole 1 - 1. 5 cm long, glabrescent

    葉厚革質,倒卵狀披針形、倒卵形或長圓狀披針形,長4 - 12厘米,寬2 - 3 . 5厘米,頂端近圓形,有時微缺,基部楔形,下面初時薄被灰白色或淡土黃色叢捲毛,后近無毛;葉柄長1 - 1 . 5厘米,后近無毛。
  4. The sequence analysis revealed that the as1 gene encodes a myb protein, which is a candidate transcription factor. in as1 and as2 mutants, the polarity formation in leaves is defective. cell differentiation along abaxial - adaxial, proximal - distal and media - lateral axes all shows an insufficient fashion

    通過掃描電鏡、干涉相差顯微鏡、組織切片、過量表達等手段研究了as1和as2的功能,包括觀察觀察突變體的組織、細胞結構及早期發育狀況,同時採用gus表達、 rt - pcr 、原位雜交、 northern等手段分析基因的表達情況。
  5. Abscission of the tightly rolled, needlelike tips of the injured leaves quite often occurred.

    受毒害葉片經常出現針狀的葉尖從蜷縮部分脫落下來。
  6. While the fruits ripening process was delayed in leetrl antisense fruits. epinastic of leaves in leetrl antisense plants was only occasionally observed, which was not observed in leetr2 antisense plants ; ( 5 ) when treated by exogenous ethylene ( 25ul / l ), the abscission of antisense leetr2 petiole explants was delayed. moreover, leaf epinasty failed to be induced by ethylene treatment c, which suggested that these tissues were insensitive to ethylene

    ( 5 )植株衰老和葉片脫落延遲,花瓣脫落也明顯的延遲,在轉反義leetr1基因番茄的果實成熟特性被明顯改變,表現在乙烯釋放高峰延遲,果實顏色出現變異,以及和成熟相關的酶活性的改變,然而,轉反義leetr2基因的果實的成熟特性與對照相比無明顯差別。
  7. In the present study, aflp ( amplified fragment length polymorphism ) markers was used to examine population of abies yuanbaoshanensis in order to understand the level of population genetic variation and genetic structure. the result would help to evaluate its evolutionary potentiality and the degree of being endangered and could provide scientific basis for making right protection strategy. high - quality dna was extracted using ctab method from those tender leaves of forty - three fully - developed trees in population abies yuanbaoshanensis

    本研究選用一種高效的檢測遺傳變異的分子標記? ? aflp技術來分析元寶山冷杉種群的遺傳多樣性,旨在了解該種群在分佈區內的遺傳變異水平和遺傳結構情況;研究結果將有助於更清楚地認識這一瀕危類群的生存潛力和瀕危程度,而且可以為制定何種挽救和保護措施提供科學的依據。
  8. In fact, leaves may adapt to sun or shade as a result of acclimatization.

    由於適應性,葉片能適應向陽或遮陰的條件。
  9. Characteristics : perennial pubescent herb ; leaves dimorphic, the radical with 3 - lobes, coarsely serrate at margin ; cymes terminal ; flowers yellow, to 2 cm diam., sepals 5, petals 5 or more ; fruit consisting of many aggregated achenes

    形態:多年生草本,被毛;葉兩形,基生葉3裂,粗鋸齒緣;聚傘花序頂生;花黃色,直徑可達2公分,花萼5片,花瓣5片或更多;頭狀聚合瘦果球形。
  10. The factors mainly include soil acidifying, higher organic matter content in the soil, lead of precipitum in the air and the processing of the tea leaves in the factory

    這些來源主要包括:茶園土壤酸化和較高的有機質含量,大氣沉降物中的鉛和茶葉的加工過程。
  11. Aids, acquired immune deficiency syndrome, is usually a fatal disease which leaves the body unable to ward off infection

    艾滋病? ?獲得性免疫缺損綜合癥是一種使人體喪失免疫能力的通常致命的疾病。
  12. Acuminate describing a structure that gradually narrows to a point, such as certain leaves

    漸尖的:逐漸尖銳的一種結構,例如某些葉子。
  13. South african shrub having flat acuminate leaves and yellow flowers ; leaves are aromatic when dried and used to make an herbal tea

    南非的一種灌木,具有扁平、尖形的葉和黃色花;葉子乾燥後有香味,用於制一種藥草茶。
  14. Leaves leathery, elliptic - lanceolate or broadly oblanceolate, 4 - 13 cm long and 2 - 4 cm wide, apex acuminate to acute, base cuneate, margin revolute ; petioles 0. 7 - 1. 5 cm long, base slightly swollen

    葉革質,橢圓狀披針形或闊倒披針形,長4 - 13厘米,寬2 - 4厘米,頂端漸尖或急尖,基部楔形,邊緣背卷;葉柄長0 . 7 - 1 . 5厘米,基部稍腫大。
  15. Leaves leathery, oblong - elliptic, rarely ovate - elliptic, 7 - 18 cm long and 3. 5 - 8. 5 cm wide, apex abruptly short acuminate or short acuminate, base cuneate, broadly cuneate or obtuse, adaxially dark green and glossy ; petioles without stipular scars

    葉革質,長圓狀橢圓形,倒卵狀橢圓形,長7 - 18厘米,寬3 . 5 - 8 . 5厘米,先端驟狹,短漸尖或漸尖,基部楔形、闊楔形或近圓鈍,葉面深綠色,有光澤;葉柄上無托葉痕。
  16. Leaves ternate ; leaflets papery or nearly leathery, ovate to ovate - elliptic, 6 - 15 cm long and 3 - 7 cm wide, apex abruptly acuminate, base rounded to subcordate, entire, both surfaces glabrous ; basal veins 3, lateral veins 4 - or 5 - paired, conspicuous on both surfaces ; petiolules 1. 5 - 2 cm long, glabrous

    葉為三出復葉;小葉紙質或近革質,卵形至卵狀橢圓形,長6 - 15厘米,寬3 - 7厘米,先端突尖,基部圓形至近心形,全緣,兩面無毛;常有基出3出脈,側脈4 - 5對,兩面均明顯;小葉柄長1 . 5 - 2厘米,無毛。
  17. Leaves papery, oval in outline, 6 - 7cm long and 8 - 11 cm wide, base rounded or subtruncate, trilobed or sometimes 5 - lobed ; lobes triangular - ovate, rarely ovate - oblong, apex acute or acuminate, margin serrulate, with appressed acute teeth, sometimes entire near base, glabrous or with tufted hairs at vein axils abaxially ; petiole 2 - 3 cm long, glabrous

    葉紙質,輪廓闊卵形,長6 - 7厘米,寬8 - 11厘米,基部圓或近截平, 3裂或有時5裂,裂片三角狀卵形,有時卵狀長圓形,頂端漸尖,邊緣有疏而銳利地鋸齒,有時近基部全緣,兩面無毛或下面脈腋有簇毛;葉柄長2 - 3厘米,無毛。
  18. Leaves tufted ; stipes 15 - 30 cm long, densely scaly at base, glabrous above ; sterile lamina about 60 cm long and 20 cm wide, simply pinnate ; pinnae numerous, alternate or subopposite, linear - lanceolate, the largest about 12 cm long and 1 cm wide, base cordate, apex acuminate, margin finely toothed ; veins close, forking once or twice and forming areoles near the midrib ; fertile lamina similar to sterile ones, but somewhat reduced, about 8 cm long and 0. 4 cm wide, lower surface almost entirely covered with sporangia

    葉簇生;葉柄長15 - 30厘米,基部密被鱗片,向上近光滑;不育葉片長約60厘米,寬20厘米,一回羽狀;羽片多數,互生或近對生,線狀披針形,最長者長達12厘米,寬約1厘米,頂端長漸尖,基部心形,邊緣有細密鋸齒;葉脈1 - 2次分叉,近中脈形成網眼;能育葉與不育葉相似,但較小,長約8厘米,寬約0 . 4厘米,下部滿布孢子囊。
  19. With colourless nail polish, study on the stomatic distribution of outer epidermis in the young stem, aged stem and aged leaf sheath, and adaxial and abxial leaf epidermis of young and aged leaves in s. purpurea, z. pendula and c. communis was conducted

    用無色指甲油印痕法對鴨跖草科的紫竹梅、吊竹梅和鴨跖草的幼莖、成熟莖、成熟葉鞘的外表皮和幼葉、成熟葉和上、下表皮的氣孔分佈進行觀察。
  20. With colourless nail polish, study on the stomatic distribution of outer epidermis in the young stem, aged stem and aged leaf sheath, and adaxial and abxial leaf epidermis of young and aged leaves in s. purpurea, z. pendula and c communis was conducted

    摘要用無色指甲油印痕法對鴨?草科的紫竹梅、吊竹梅和鴨?草的幼莖、成熟莖、成熟葉鞘的外表皮和幼葉、成熟葉和上、下表皮的氣孔分佈進行觀察。
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