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Hydrophytes show certain adaptations to such habitats, notably development of aerenchyma, reduction of cuticle, root system, and mechanical and vascular tissues, and divided leaves.

水生植物表现出适应水生的特性:具有发达的通气组织;表皮、根系、机械组织、维管组织退化;叶片分裂;叶片、根和茎中均具有通气道或气腔。

According to the analysis of principle components,the breeding materials with higher plant height, mediate stem perimeter, thickerbast fiber, higher rate of bast fiber to stalk, should be selected to resolvethe conflict between quality and yield in kenaf breeding.

根据主成分分析结果,在品种选育时,应注意选择植株较高、茎粗中等、韧皮较厚、皮骨比较高和高出麻率和品质优良的材料,以协调品质与产量的矛盾。

The crushed and dried petals stirred, and assumed a deepening tinge of crimson, as if the flower were reviving from a deathlike slumber; the slender stalk and twigs of foliage became green; and there was the rose of half a century, looking as fresh as when Sylvia Ward had first given it to her lover.

粉碎、搅拌干燥花瓣,摆出深化丝丝绯红,犹如一朵被复活deathlike从沉睡;细长的叶子变成绿色的茎和树枝;还有玫瑰半个世纪,展望清新病房当希尔维亚当初给它情夫。

When the embryonic original cell divided to form multicellur proembryos, the cell wall of the external cell was thickened to form a clear cell boundary to separate from ambient cells that was a phenomenon of isolation The protoderm began to be differentiated in the period of globular embryoid, and the procambium differentiated clearly in period of torpedo embryoid.

正常的球形胚和某些畸形球形胚继续发育,在心形胚或鱼雷胚阶段又出现出畸形胚,可以分为:①无茎端生长点;②原形成层发育不正常;③外形畸形,如有的是连胚,有的呈指状,有的呈叶片状等等。畸形胚有的败育,有的能继续发育,在子叶胚阶段形成畸形的植株。

Stipules fully amplexicaul; leaf blade entire, symmetric or asymmetric, margin often toothed; wax glands in axils of main basal veins, often also in other vein axils or on nodes.

托叶完全抱茎;全缘的叶片,对称或不对称的,边缘通常齿;蜡腺体在基出主脉腋处,通常也在其他脉腋内或在节上。

Like any other Gramineous crop, hybrid rice keeps 80% of totally removed K in its shoots after ripening, only about 20% of K uptake is transported to grain, grain K content was more stable, usually around 0.5%.

同其它禾本科作物一样,成熟后杂交水稻保存总移出钾的80%在其茎杆中,只有20%吸收的钾转移到籽粒中,籽粒含钾量更为稳定,一般约为0.5%(表6)。

On the other hand, compounds II showed good herbicidal activity against the root of Barnyard grail and stimulated the growth of its stem.

其中,尤其I、和I刁及I08在100ppm 浓度下对油菜茎的促进作用明显,I-03和I-04在100ppm浓度下对稗草根表现出好的抑制活性。

Two Xylaria strains isolated from the stem of Dendrobium fimbiratum and leaf of Dendrobium brymerianum were identificated by morphology and molecular biology.

对石斛内生炭角菌进行鉴定及活性成分初步研究。从流苏石斛的茎和长苏石斛的叶片中分离出两株炭角菌,将其编号为lsjz和csyz。

Plants forming fleshy turions at or below ground level; stem bases with thick, brown, leathery scales

植株等于或低于地面形成肉质的具鳞根出条;茎基部具厚,棕色,革质的鳞片 27

Leaves ovate or broadly oblong to lanceolate, sharply serrulate; stolons without terminal turions; fruiting pedicels 0.7-1.5 cm; seed comas reddish.

叶子卵形或宽长圆形到披针形,锐;没有顶生的具鳞根出条的匍匐茎;果梗0.7-1.5厘米;种子种缨带红色。

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As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸,那乌黑、忧郁的眼睛,她便会相信,他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失

But because of its youthful corporate culture—most people are hustled out of the door in their mid-40s—it had no one to send.

但是因为该公司年轻的企业文化——大多数员工在40来岁的时候都被请出公司——一时间没有好的人选。