leaf 中文意思是什麼

音標 [li:f]
leaf 解釋
n. 名詞 (pl. leaves)1. 葉;〈集合詞〉葉子;茶葉,煙葉。
2. 花瓣。
3. (書刊等的)一張(兩面)。
4. 金屬薄片,箔。
5. 【建築】葉飾。
6. (門等的)頁扇。
7. (可折疊的)活動桌面;(辦公桌等的)桌蓋。
8. (飛機的)天窗。
9. (步槍的)瞄準尺;【機械工程】小輪齒。
10. 〈英方〉帽邊。
11. (汽車等片彈簧的)簧片。
vi. 不及物動詞 1. 生葉,長葉。
2. 〈美國〉翻書頁。
vt. 及物動詞 翻…的書頁。
adj. 形容詞 -ed 有葉的。
adj. 形容詞 -less 無葉的。
n. 名詞 〈英軍俚〉休假。

  1. 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

    早期葉片發育包括三個主要過程:葉原基的起始,葉片腹背性的建立和葉片的延展。
  2. It is important in the degradation of plant cell walls in living plants ( e. g. in leaf abscission )

    在生活植物體的細胞壁的降解過程中起重要的作用(如葉子脫落) 。
  3. 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。
  4. After systematic investigation and research on the bamboo pests in fujian bamboo production areas, the bamboo pests in fujian province was classified as 97 species, 15 of which was shoot pests, 53 of which was leaf pests, 5 of which was harmful acarids, 17 of which was stem pests, and 7 of which was rhizome pests

    摘要對福建省竹林害蟲、害蟎進行了系統調查和研究,整理報道了福建省竹林害蟲97種,其中筍期害蟲15種;葉部害蟲53種、害蟎5種;竹桿害蟲17種;根莖害蟲7種。
  5. Degradation is accelerated following leaf detachment.

    葉子脫落促進降解。
  6. Leaf photosynthetic and anatomic acclimation of four tropical rainforest tree species to different growth light conditions

    四種熱帶雨林樹種光合和形態解剖特徵對不同生長光強的適應
  7. The results showed that 5406 actinomyces can improve the wheat seedling ' s height, root system and stalk leaf weight, can increase content of chlorophyll and root system activity in sterilized sand culture

    結果表明,經5406放線菌處理后小麥幼苗株高、根長、根體積、根系及莖和葉片干重、葉綠素含量及根系活力均有不同程度的提高。
  8. Leaf apex gradually acuminate or abruptly tapered and indistinctly mucronate ; winter bud scales early deciduous or some persistent at base of branch

    葉頂端緩尖或急尖並且尖端模糊;冬天芽鱗片提早脫落或有一些仍殘留在枝條的基部。
  9. The characteristics of the sub - leaf epidemics of the plants have been observed and compared by scanning electronic microscope. lt was found out that the micro characteristics are important in a sense for identification the varieties. the constituents of volatile oil from dry flower buds of l hypoglauca miq., l acuminate wall, and l similis hemsl

    首次通過gc - ms聯用技術分析了紅腺忍冬、淡紅忍冬和峨眉忍冬乾燥花蕾揮發油成分,並通過計算機質譜庫檢索並與標準圖譜對照,對其所含化合物進行了鑒定,發現棕櫚酸是它們的主要成分,相對含量最高佔49 . 27 ,最低佔28 . 71 ,其餘成分的組成和含量差別較大。
  10. 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。
  11. 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。
  12. The connectivities of the adjacency leaf exchange forest graphs

    鄰接葉邊交換森林圖的連通性
  13. All at once, as with a sudden smile of heaven, forth burst the sunshine, pouring a very flood into the obscure forest, gladdening each green leaf, transmuting the yellow fallen ones to gold, and gleaming adown the grey trunks of the solemn trees

    突然之間,天空似乎一下子綻出微笑,立時陽光四射,將燦爛的光芒灑向膝腕的樹林,使每一片綠葉都興高采烈,把所有枯黃的落時染成金黃,連肅穆的樹木的灰色樹干也閃出亮光。
  14. Affidavit account in loose - leaf form is also not acceptable

    遞交的表格亦不接納
  15. Affidavit account in loose - leaf form is not acceptable, unless the deponent affirmant and the attesting solicitor commissioner for oaths sign each and every page of the document

    本局不接納以散頁形式遞交的表格,除非表格的每一頁均由宣誓確認人及監誓員簽署。
  16. Agarics are common in leaf litter and rotting wood, where they live as saprobes

    傘菌目的生物通常在樹葉和腐爛的木材中作為腐生生物而存在。
  17. Inhibitory effect on lipase of alkaloid derived from lotus leaf

    荷葉生物堿對胰脂肪酶的抑制作用
  18. Biological characteristics of the pathogenic fungus causing leaf spot disease of prunus americana

    布朗李葉枯病菌生物學特性研究
  19. What type of angiosperm do these leaf cross - sections represent

    這些葉片的橫切面代表何類被子植物?
  20. Angular leaf spot

    葉角斑病
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