查询词典 leaves

Radical leaves: stipules ovate, herbaceous, adnate to petiole; petiole sheathing at base; leaf blade imparipinnate; leaflets opposite, rarely alternate, broadly elliptic or obovate-oblong; cauline leaves few, with few leaflets, or simple and then margin 3-lobed or 2- or 3-serrate.

胚根叶：托叶卵形，草本，贴生于叶柄；叶柄具鞘的在基部；叶片奇数羽状；小叶对生，很少互生，宽椭圆形或倒卵形长圆形；很少的茎生叶，有很少传单，3浅裂的或单的然后空白边2或3使成锯齿波。

Observation under optical and transmission electron microscopes showed that the Cu-contaminated leaves were thickened, with the expansion of leaf cell and the incrassation of palisade tissues. The yellow leaves might result from the damage to chloroplasts. Cortical cell death in root system might also have a negative effect on root water absorption and transportation, causing plant water content decreased.

通过光镜和投射电镜观察，发现紫云英污染叶变厚，其原因是叶片细胞膨大和栅栏组织增厚；叶片转黄与叶绿体遭破坏有关；根系部分皮层细胞死亡可能影响根系吸水和植株水分运输，导致植株含水率降低。

Except for Indigofera pulchella and trem a angustifolia that started to fall leaves in the middle of the rainy season, other 30 species started to drop their leaves from the late rainy season, and leaf dropping lasted for at least three months .

除红花柴和狭叶山黄麻从雨季中期开始脱落叶片外，其它30种植物从雨季末期开始脱落叶片，落叶期至少延续3个月以上。

Leaves show bright yellow interveinal chlorosis, usually more acutely in apical areas and in younger leaves followed sometimes by bleaching and scorching.

叶片脉 间黄化，通常在叶尖和嫩叶上更为严重，有时转变成白化并枯黄。

General yellow-green or yellow interveinal chlorosis of fully expanded and younger leaves with major veins and most minor vein clearly defined green without appreciable adjacent green lamina; some younger leaves with profuse interveinal brown necrotic spotting.

甜菜缺铁：完全展开叶的脉间褪绿一般黄绿色或黄色，嫩叶的主脉和大部分侧脉明显显示绿色没有可察觉的相连的薄层；一些嫩叶脉间有大量褐斑。

Younger leaves faded green and lusterless; older leaves marginal scorch, interveinal blotchy chlorosis, necrotic patches bleaching and withering; characteristic of some soil acidity conditions.

甜菜锰和铝合并中毒：幼叶褪绿失去光泽，老叶边缘枯黄，脉间有坏死褐色斑点，接着白化，枯萎。这是酸性土壤特有的。

Basal leaves rosulate; leaves, involucral bracts, and bracts usually densely arachnoid; roots 1--1.5 mm in diam.

基生叶莲座状；叶，总苞片，和苞片通常浓密；根1 --1.5毫米直径 2 CYANOTIS arachnoidea 蛛丝毛蓝耳草

Such as: cotton wilt, Verticillium wilt, damping-off, wheat, corn, stiff Miao, Miao Huang, yellow leaves, the yellow leaves of fruit trees, anthrax, early defoliation disease, melons, vegetables Peronospora class , leaf molds, spreading litter, Pseudomonas, keratophyre, withered, anthrax, the disease, black rot, soft rot, peanuts, legumes, such as stem blight significant effect.

棉花的枯萎病、黄萎病、立枯病，小麦、玉米的僵苗、黄苗、黄叶、烂秧，果树的黄叶、炭疽病、早期落叶病，瓜菜类的霜霉、叶霉、蔓枯、青枯、角斑、枯萎、炭疽、疫病、黑腐、软腐，花生、豆类的死苗、茎枯病等有显著的防治效果。

Leaves long petiolate, slightly pubescent along midribs and veins; panicles without floral leaves; calyx gray lanate, glabrescent and tubular in fruit

叶具长叶柄，稍具短柔毛沿中脉和脉；没有花的叶的圆锥花序；花萼灰色具绵状毛，后脱落和管状在果期 4 Isodon eriocalyx 毛萼香茶菜

A cluster of leaves.Shaped like a leaf .Having leaves or leaflike structures.

有叶的，叶状的具有叶子的或叶状结构的

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐