查询词典 leaf-shaped

F. bidentis leaf was of isobilateral type, and had thicker epidermis cell wall and cuticle, obvious cryptopores, and highly developed palisade tissue, with typical C4-plant Kranz anatomy. The collenchymas and vascular tissue in stem and the aerenchyma in root were well developed. Secretory structure was found in all vegetative organs. According to the analyses of soil physical and chemical properties and relevant ecological factors, F.

结果表明：黄顶菊叶片表皮具较厚的角质层、下陷气孔，叶片为等面叶、全栅型，叶肉细胞环绕维管束鞘细胞紧密排列，是典型C4植物的Kranz花环结构；茎中厚角组织和维管组织发达，根中还存在通气组织；根、茎、叶中均存在分泌结构。

Effects of Hg2 on agamogenesis of Egeria najasWhen Hg concentration was above 1.50mg/L, leaf of shoot fragment faded severely, compared to the control even the sprout also faded much.

Hg2 浓度l 。oom留L实验组中的侧枝新芽长度随着Hg2 浓度的增加而缩短，平均新芽长度在】。ocm以下。

A species of agave cultivated chiefly in warm regions of the Old World for its leaf fibers.

马盖麻一种龙舌兰属植物，主要为获得其叶纤维而在东半球大陆的温暖地区种植

The papaya leaf curl samples from Guangxi and Guangdong provinces were collected and studied, and ageratum yellow vein samples were also collected and studied.

为此我们对广西和广东的番木瓜曲叶病样本开展了研究，并对当地的杂草胜红蓟的黄脉病也进行了研究。

Papaya leaf curl samples collected from Guangxi province and 1 from Guangdong province, and 5 ageratum yellow vein samples from Guangxi province were tested with triple antibody sandwich ELISA and PCR, Results showed all the virus samples were infected by whitefly-transmitted geminiviruses.

利用三抗体夹心ELISA及PCR检测的方法对采自广西的7个番木瓜曲叶病样品和广东1个番木瓜曲叶病样品，及采自广西胜红蓟的5个黄脉样品进行了检测，表明均为粉虱传双生病毒。

I can not be disappointed, because I was ready disappointed, because I became a leaf boat ran aground and look forward to leaving.

我再也不会失望，因为我已经准备好失望，因为我成了一叶搁浅的船，期待启程。

This picture shows the reason why we propagate maple cultivars by vegatative fashion, cuttings, air layering, and grafting, mostly by grafting. See the leaf shape and color of the A.p.

此张照片可看出为何我们利用植株切割，压条，嫁接方式来繁殖枫木以培育新品种，比较A.p。

Under the full sun, the fresh weight of Ajuga multiflora and Belamcanda chinense were the heaviest. Compared with full sun, the ratio of leaf thichness of palisade mesophyll and epidermal mesophyll of plant was lower under 80% shading.

与全光照相比，在遮光80％条件下金叶过路黄与多花筋骨草，其叶片的栅栏组织与海绵组织细胞差异较大，表现为栅栏组织宽度减小，海绵组织细胞之间间隙加大。

Four species were chosen as the materials for the researches of plant growth, leaf structure, chlorophyll and proline content, and photosynthesis charateristic under different shading levels, such as Lysimachia christinae "Aurea", Ajuga multiflora , Ardisia japonic a and Belamcanda chinense.

在此基础上，以金叶过路黄、多花筋骨草、紫金牛及射干等四种地被植物为试材，研究了不同遮荫条件对植株生长、形态解剖和生理指标的影响，试图确定判断地被植物耐荫能力的标准。

The Earth's albedo varies mainly through varying cloudiness, snow, ice, leaf area and land cover changes.

地球的反射率主要因云的变化、冰、雪和土地覆被状况的改变而变化。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。