毛缘

Leaf margin with 5-7 lobes on each side ending in 10-30 awns; blade glabrous or barbate; bracts of cupule glabrous; nuts mature 1 year after flowering

叶缘具5-7裂片在每边结束于10-30芒；叶片无毛的或具髯毛；壳斗的苞片无毛；坚果成熟的1 年花后 11 Q。 palustris 沼生栎

Spikelets laterally compressed, florets 1 to several, loosely spaced, rachilla slender, disarticulating above glumes and between florets, rachilla internodes pubescent at apex; glumes membranous, very unequal with the lower shorter, 1–5(–7)-veined; lemmas narrowly lanceolate to ovate, 3–5(–7)-veined, keeled, usually pubescent near margins, apex narrow, bidenticulate or rarely entire, acute, mucronate or shortly awned; palea keels glabrous or ciliolate.

小穗侧面压扁，小花1到数个，松弛隔开，纤细，脱节的小穗轴高于和在小花，小穗轴节间短柔毛在先端之间；颖片膜质，极不等具这更下部的短，(-7)脉；外稃狭披针形的到卵形，内稃龙骨无毛或者具短缘毛。

Cm in diam., subsessile. Bracteoles 4-6, semiorbicular to ovate, 2-6 mm, glabrous or subglabrous, margin ciliolate.

小苞片4-6，半圆形到卵形，2-6毫米，无毛或近无毛，边缘具短缘毛。

Leaves 1 or 2 per ultimate branch; sheath margins ciliolate; auricles absent, oral setae few, 1–2 mm; ligule truncate, ca. 0.4 mm; blade linear-lanceolate, 4–9.4 × 0.5–0.9 cm, glabrous, secondary veins 2- or 3-paired, transverse veins obscure, base cuneate, one margin spinescent-serrulate, other margin obscure.

每末级的分枝留下1或2；鞘边缘具短缘毛；叶耳无，口头的刚毛少数，1-2毫米；叶舌削去，大约0.4毫米；叶片线状披针形， 4-9.4 * 0.5-0.9 厘米，无毛，2或3配对的次脉，不明显的横向脉，基部楔形，具刺有细锯齿的一边缘，不明显的其他边缘。

Culm sheaths pale green, sparsely deciduously brown strigose, base and margins glabrous, apex truncate; ligule weakly arcuate or truncate, margin ciliolate; blade erect, subulate, small.

竿箨苍绿色，稀少脱落的棕色糙伏毛，基础和边缘无毛，先端截形；叶舌身体虚弱的弧曲的或截形，边缘具短缘毛；叶片直立，钻形，小。

Leaves small to large; leaf blade margin usually entire, sometimes crenulate or revolute; abaxial surface scaly, sometimes also uniformly woolly, or pubescent or strap-shaped-setose along main veins.

叶小到大的；叶片边缘通常全缘，有时具细圆齿或外卷；背面有鳞，有时也均匀具绵状毛，或沿着主脉短柔毛或舌状具刚毛的。

Pedicels scaly; calyx large,(2–)3–8 mm, deeply 5-lobed, scaly, margin sometimes ciliate; corolla tubular-campanulate to funnel-campanulate, pink, white, or yellow; outer surface usually scaly, sometimes glabrous; stamens 10, declinate; ovary 5-locular; style straight, glabrous or scaly at base.

花梗有鳞；大的花萼，(2-)3-8毫米，深深5浅裂，有鳞，有时具缘毛的边缘；花冠管状钟状到漏斗状钟状，粉红色，白色，或黄色；外表面通常有鳞，有时无毛；雄蕊10，下倾；子房5室；花柱直，无毛的或有鳞的在基部。

Rod red brown or cinnamon, have edge, shape of foliaceous water chestnut is elliptic, tip is short gradually pointed, base ministry wedge, the predestined relationship is provided fine pure toothed, grow 3-12cm, wide 2-8.5cm, two sides does not have wool glossily, the leaf expresses green, the leaf carries dark green green on the back, vein and Xie Bing all take green, individual plant of different of male and female, female male flower all is catkin, capsule does not have wool, 2-3 valve is cracked, the seed is small, hairiness, first Xie Kaifang, florescence April, fruit is ripe April.

纵裂。小枝红褐或黄褐色，具棱，叶菱状椭圆形，先端短渐尖，基部楔形，缘具细纯锯齿，长3-12cm，宽2-8.5cm，两面光滑无毛，叶表绿色，叶背苍绿色，叶脉和叶柄均带绿色，雌雄异株，雌雄花均为柔荑花序，蒴果无毛，2-3瓣裂，种子小，有毛，先叶开放，花期4月，果熟4月。

Culm sheaths tardily deciduous, leathery, glossy when fresh, ribbed-striate when dry, glabrous or stiffly hairy at basal margins only, apex subtruncate or slightly asymmetrical, arched; auricles undulate, wrinkled, inflated outward, densely hispidulous or subglabrous abaxially, unequal; larger auricle slightly decurrent, orbicular or ovate, 3.5–4 × 1–1.5 cm; small ones oblong or ovate, ca. 3 × 1–1.5 cm; ligule 4–5 mm, margin nearly entire and densely fimbriate; blade persistent, erect, inflated outward, ovate to oval, base slightly narrowed and then extended toward both sides and joined to auricles, apex abruptly acuminate, sharply tipped.

缓慢的竿箨脱落，似皮革，有光泽的新鲜时，波状的叶耳，起皱，膨大外面，浓密具短硬毛或近无毛背面，不等长；更大的叶耳稍下延，圆形或卵形， 3.5-4 * 1-1.5 厘米；小的长圆形或卵形，约 3 * 1-1.5 厘米；叶舌4-5毫米，和浓密流苏状的边缘近全缘；叶片宿存，直立，膨大的外面，卵形到卵圆形，叶片线形披针形到披针形，通常 8-23 * 1-2 厘米，两面无毛。

Mm thick, pith lamellate; nodes slightly prominent. Culm sheaths gradually deciduous, green, about as long as internodes or slightly longer, leathery, sparsely setose, margins withered; auricles absent or small and circular; oral setae few, readily deciduous, erect; ligule truncate or arcuate, ca. 2 mm, glaucous, initially ciliolate; blade deflexed or reflexed, shortly triangular, base slightly constricted, apex acuminate.

逐渐脱落，绿色的竿箨，大约节间和有点长，似皮革的倍于，稀疏刚毛，空白边枯萎；叶耳无的或小和圆；口头的刚毛很少，容易落叶，直立；叶舌截断或者弧曲，约2毫米，有白霜，最初具短缘毛；叶片外折的或反折，短三角形，基部稍缢缩，先端渐尖。

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。