leaf 是什么意思

leaf的中文意思是: 叶

leaf例句大全

  1. Stomata of the first leaf buds, Scales leaf were not fully developed , stomata of the second leaf tent

    芽下第一叶、鳞叶气孔器发育不完全,芽下第二叶气孔器发育趋向成熟、芽下第三叶、芽下第四叶、鱼叶气孔器发育成熟。

  2. And growing leaf were higher than tender leaf.

    老叶铅含量显著高于嫩叶铅含量。

  3. The inferior leaf of hybrid and self line is the longest, the high to low sequence is inferior leaf,

    黑糯玉米杂交种、亲本自交系果穗三叶下位叶最长,其大小依次为,下位叶>穗位叶>上位叶;

  4. Leaf veins distribute food and water throughout the leaf.

    叶脉把养料和水分分配给整张叶子。

  5. A leaf or a plant part that evolved From a leaf.

    叶,叶原体,叶性器官:从叶子发育而成的叶子或植物部分。

  6. It is easy to differ droopy leaf seedling From erect leaf ones at 3rd leaf age 18 days after seeding.

    播后18天3叶期可准确区分披叶苗与直叶苗。

  7. The gray leaf spot ( GLS ) is a significant leaf disease in maize.

    玉米灰斑病是严重威胁玉米生产的叶部病害。

  8. Mirth spreads From leaf to leaf, my darling , and gladness without measure.

    欢乐在叶片间传递,我的亲爱,快乐无法衡量了。

  9. In long shoot, the leaf width, leaf length, leaf area , petiole length and basal angle decreased , but

    一年生长枝叶片的叶宽、叶长、叶面积、叶柄长、叶基角均随叶序的增加逐渐减小,叶形指数和有缺刻叶的比例则增加。

  10. The N content per unit leaf area was the highest in the second leaf count backwards, and that of decrepit

    单位叶面积含N率以倒数第2展开叶最高,衰老叶片只有正常叶片的1/3左右。

  11. The Leaf area, Leaf dry weight and specific leaf weight ( SLW ) of3-year-old alfalfa were studied under

    研究了不同施肥处理对3年生紫花苜蓿开花期叶面积、叶干重及比叶重的影响。

  12. The results showed that, crimpy leaf character decreased drooping degree and projection area of leaf

    结果表明,卷叶性状可显著降低叶片的披垂程度,减少叶片投影面积,增加群体上层叶面积的比例,改善群体内部透光状况。

  13. Tighten leaf spring press until bushing flange bottoms solidly against leaf spring eye.

    上紧叶片弹簧加压机直到衬套凸缘的底部扎实地抵住叶片弹簧的孔眼。

  14. There are two types of leaf spring , the multileaf and the single leaf.

    钢板弹簧有两种,多叶片钢板弹簧和单叶片钢板弹簧。

  15. Five week old plant showing yellow trifoliate leaf against green primary leaf below.

    菜豆幼苗缺硫:生长五周的植株出现与绿色幼叶相反的黄色三叶状叶片。

  16. Leaf Area index and Specific Leaf Area of Natural Poplars in Ergis Basin

    额尔齐斯河天然杨树林叶面积指数及比叶面积的研究

  17. Correlation between Apple Leaf Spectral Reflectance and Leaf Chlorophyll content and Total Nitrogen

    苹果叶片光谱反射率与叶绿素和全氮含量的相关研究

  18. Extraction of Leaf Vein in Plant Leaf Image Based on Cellular Neural Network

    基于细胞神经网络的植物叶片图像中叶脉的提取

  19. Leaf miners typically live and feed between the epidermal layers of a leaf.

    潜叶虫通常在叶子的表皮层间生活和取食。

  20. The activities of pod and CAT of shade leaf were higher than that of full sunshine leaf, however, the

    麦冬阴生叶片POD、CAT活性高于阳生叶片,而SOD活性在阴生叶片与阳生叶片中无显著差异。

  21. The stomatic resistance of the tender leaf is less than the mature leaf.

    嫩叶的气孔阻力小于成熟叶的气孔阻力。

  22. Northern Leaf Blight of Corn ( NLBC ) is a major leaf disease of corn.

    玉米大斑病是玉米生产上的一种重要叶部病害。

  23. Secondly, the root yield of the broad leaf type and the long leaf type was higher than that of the medium

    宽叶型和长叶型根产量也明显高于中间型,特别是宽叶型根产量是中间型的2倍以上;

  24. The main invasion method of grub is invading directly form leaf gap of the leaf sheath and bore a hole

    幼虫侵入水稻方式以从剑叶叶鞘缝侵入和从剑叶叶鞘处咬孔侵入为主。

  25. The leaf blade was more fit for inducing embryogenic callus than the leaf sheath ;

    叶片比叶鞘更适合于诱导产生胚性愈伤组织;

  26. Any leaf tobacco purchasing contract shall specify the agreed area for leaf tobacco plantation.

    烟叶收购合同应当约定烟叶种植面积。

  27. Ratio of the cultivar with round leaf decreased whereas cultivars with narrow leaf increased.

    叶形表现为圆叶品种比例下降,尖叶品种逐渐增加;

  28. Evaluation of Some American Rice Cultivars to Bacterial Leaf Blight and Bacterial Leaf Streaks

    美国稻品种对白叶枯病和细菌性条斑病的抗性鉴定

  29. Leaf area index ( LAI ) of wheat was calculated as the product of the green leaf weight by specific leaf

    小麦叶面积指数计算为群体绿叶重与比叶面积的乘积,而绿叶重为其分配指数与地上部干重的乘积。

  30. The leaf blade consists of epidermis, mesophyll and vein, which is iso-bilateral leaf.

    叶片都包括表皮、叶肉和叶脉,且为等面叶。

  31. Stipule A modified leaf found as an outgrowth From the petiole or leaf base.

    托叶:由叶柄或叶基部生长出的变态的叶,为发育产生的外部结构。

  32. Application of Image Processing Technology in Leaf Area Measurement of Indoor Leaf-viewed Plants

    图像处理技术在室内观叶植物叶面积测量中的应用

  33. The results showed that foliage dressing increased leaf thickness, leaf area, leaf weight , number of

    本试验就叶面肥料对枣树生长发育前期的影响进行了研究,结果表明:叶面施肥可增加枣树叶片厚度、叶面积、百叶重、花序数、枣吊长度及叶片数等。

  34. The effects of three soil water potentials on the growth, leaf water potential, leaf temperature, leaf

    研究不同土水势值对油菜的生长发育状况和叶水势、叶温、叶气孔阻力、蒸腾强度、叶细胞液浓度等生理性状,以及油菜的经济产量和生物学产量的影响。

  35. Among different positions of green tobacco leaf, the water content of mid-rip was the biggest, the second

    在不同的叶位间,烟叶水分含量随着叶位的增高有递减的趋势,尤其是叶片水分含量的递减幅度最大。

  36. Studies on Classification of the Leaf Systematic Quality and Leaf Area Distribution in Cotton

    棉花叶系质量划分及叶层配置的研究

  37. Monitoring leaf dry weight and leaf area index in Wheat with Hyperspectral Remote Sensing

    基于高光谱遥感的小麦叶干重和叶面积指数监测

  38. of different kinds of Herba Rabdosiae Serrae have different microscopic identification structure in leaf

    山东榆科植物叶表皮结构的比较【结论】不同基源的溪黄草药材在叶表皮结构、叶组织结构和叶粉末几方面均具有不同的显微鉴别特征。

  39. Results show that the white clover leaf structure boasts plasticity, more particularly the leaf epidermis

    结果表明:白三叶叶片结构具有一定的可塑性,其中表皮和叶肉的可塑性较大,而中脉则相对较为稳定;

  40. Different water managements had an important effect on above ground dry weight , leaf area index , leaf

    结果表明:不同水分管理方式影响水稻地上部干物重、叶面积指数、光合速率、蒸腾速率和水分利用效率。

leaf中英翻译结果
出自:柯林斯词典

1
树叶;叶子
The leaves of a tree or plant are the parts that are flat, thin, and usually green. Many trees and plants lose their leaves in the winter and grow new leaves in the spring.
  1. In the garden, the leaves of the horse chestnut had already fallen...

    花园里,七叶树已经落叶了。

  2. The Japanese maple that stands across the drive had just come into leaf.

    车道对面那棵鸡爪枫刚吐新叶。

2
(书)页
A leaf is one of the pieces of paper of which a book is made.
  1. He flattened the wrappers and put them between the leaves of his book.

    他把包装纸压平,夹在书里。

3
师法;效法;以(某人)为榜样
If you take a leaf from someone's book you behave in the same way as them because you want to be like that person or as successful as they are.
  1. Maybe we should take a leaf out of Branson's book. It's easy to see how he became a billionaire...

    也许我们应该效法布兰森。我们都不难看出他是怎样成为亿万富翁的。

4
重新开始;洗心革面;改过自新
If you say that you are going to turn over a new leaf, you mean that you are going to start to behave in a better or more acceptable way.
  1. He realized he was in the wrong and promised to turn over a new leaf.

    他认识到自己错了,答应改过自新。

5
(因寒冷、恐惧等)浑身发抖,抖如落叶
If you say that someone is shaking like a leaf, you mean that their body is shaking a lot, for instance because they are very cold or frightened.
  1. I didn't think about the danger at the time. Afterwards I was shaking like a leaf.

    我那时候没想到有危险,事后我吓得直发抖。

leaf用法示例
出自:牛津词典

1
叶;叶片;叶子
a flat green part of a plant, growing from a stem or branch or from the root
2
莴苣 / 卷心菜 / 橡树叶
lettuce/cabbage/oak leaves
3
树木正好在长叶子。
The trees are just coming into leaf .
4
秋天的枯叶
the dead leaves of autumn/the fall
5
构成形容词
in adjectives
6
有…状叶的;有…片叶的
having leaves of the type or number mentioned
7
四叶车轴草
a four-leaf clover
8
阔叶植物
a broad-leaved plant
9
(纸)页,张;(尤指书的)页
a sheet of paper, especially a page in a book
10
薄金属片;(尤指金或银)箔
metal, especially gold or silver, in the form of very thin sheets
11
金箔
gold leaf
12
活动桌板;折叠桌板
a part of a table that can be lifted up or pulled into position in order to make the table bigger
13
效仿,模仿(成功之人的举止和行为)
to copy sb's behaviour and do things in the same way that they do, because they are successful
14
改恶从善;重新做人
to change your way of life to become a better, more responsible person
15
匆匆翻阅;浏览
to quickly turn over the pages of a book, etc. without reading them or looking at them carefully
leaf英语释义
出自:WordNet

1
hinged or detachable flat section (as of a table or door)
2
a sheet of any written or printed material (especially in a manuscript or book)

近义词: folio

3
the main organ of photosynthesis and transpiration in higher plants

近义词: leafage,foliage

4
produce leaves, of plants
5
turn over pages
例子:
  1. leaf through a book
  2. leaf a manuscript
6
look through a book or other written material
例子:
  1. He thumbed through the report
  2. She leafed through the volume

近义词: flick,flip,thumb,riffle,riff