圆形

Branch densely puberulous and mixed setulose; leaf blade oblong or oblong-ovate, base rounded to slightly cordate.

分枝密被微柔毛和混合具小刚毛；叶片长圆形或长圆状卵形，基部圆形到稍心形。

Leaf blade ovate or oblong, base rounded, rarely shallowly cordate; inflorescence glabrous or puberulous, rarely densely pubescent.

或长圆形的叶片卵形，基部圆形，很少浅心形；花序无毛或被微柔毛，很少密被短柔毛。

Culms forming large clumps, erect, 10–50(–120) cm tall, 3–35 mm in diam. Leaf sheaths mostly longer than internodes, smooth; leaf blades linear, flat or inrolled upward, 10–45 × 0.7–1.5 cm, smooth, apex fine, hard, upper blades usually patent; ligule 2–3 mm. Racemes racemosely arranged, 2–6(–12), 7–23 cm, stiff, erect or slightly spreading; spikelets closely overlapping; rachis terminating in a hard bristle up to 5 cm. Spikelets 12–21 mm, pubescent; lower glume 2/3–4/5 as long as spikelet, acute; upper glume lanceolate-oblong, as long as spikelet, acute; lemma lanceolate-oblong, ca. 1 cm, keel scaberulous, pubescent, entirely or in upper half; palea slightly longer than lemma.

形成的秆大丛生，直立，(-120)厘米高，多数叶鞘3-35毫米直径长于，平滑；叶片线形，公寓或向上， 10-45 * 0.7-1.5 厘米，平滑，先端细，硬，上面的叶片通常开展；安排的2-3毫米外消旋体总状分枝的叶舌，2-6(-12)，7-23厘米，硬，直立或者稍开展；小穗接近重叠；轴终止在一难的硬毛可达5 厘米小穗12-21毫米，青春期；更低的颖片2/3-4/5倍于小穗，锐尖；上面颖片披针形长圆形，倍于小穗，锐尖；外稃披针形长圆形，约1厘米，微糙，青春期的龙骨，完全或者在上半部；稍微的内稃长于外稃。

Basal leaf blade reniform, orbicular, broadly ovate-orbicular, ovate-cordate, or occasionally other shapes.

肾形的基生叶，圆形，宽卵形的圆形，卵状心形，或偶有其他形状。

Petiole 3-5 cm, glabrous; leaf blade obovate-oblong, oblanceolate, or oblong, 9-15 × 3-8 cm, papery, green adaxially, yellowish green abaxially, glabrous on both surfaces, base cuneate, margin entire or shallowly repand, apex shortly acuminate to acute; lateral veins 5-7 pairs, flattened above, elevated below.

叶柄3-5厘米，无毛；叶片倒卵状长圆形，倒披针形，或者长圆形， 9-15 * 3-8 厘米，纸质，正面绿色，背面淡黄绿色，两面无毛，基部楔形，边缘全缘或浅波状，先端短渐尖到锐尖；侧脉5-7 对，上面扁平，在下面突起。

Fruit linear to linear-lanceolate, 4-9(-11) cm × 4-6 mm; valve margin flat; replum flattened; style 0.5-1(-2.5) mm; stigma 0.5-1.5 mm. Seeds orbicular or suborbicular, 4-6 mm in diam., flattened, broadly winged; wing undulate, to 1.5 mm wide.

果线形到线状披针形，4-9(-11)厘米×毫米；裂爿边缘平；使变平的假隔膜；花柱0.5-1(-2.5)毫米；柱头0.5-1.5毫米种子圆形或近圆形，4-6毫米直径，扁平，具宽翅；翅波动，对1.5毫米宽。

Fruit narrowly oblong or oblong-obovate, apex winged and/or emarginate or retuse; ovules or seeds more than 12, if less then fruit valves prominently veined.

果狭长圆形或长圆形倒卵形，先端具翅和/或微缺的或微凹；胚珠或种子超过12，如果较不那么果裂爿显著脉。

Fruit cylindrical to oblique-ovoid, 1.2--3 X 8--16 mm, apex rostrate to shortly pointed; leaf blade elliptic, oblong, or elliptic lanceolate, margin entire or irregularly denticulate

卵圆形果圆筒状的到斜，1.2-3 X 8 --16毫米，先端对来说短尖；叶片椭圆形，长圆形，或椭圆形披针形，边缘全缘或具不规则小齿 26 Styrax agrestis 喙果安息香

Sepals oblong or ovate-oblong, ascending, base of lateral pair not saccate.

萼片长圆形或卵形长圆形，上升，侧的对的基部不囊状。

Spikelets laterally compressed, lanceolate-oblong, florets several, contiguous; rachilla scaberulous, disarticulating above glumes and between florets; glumes slightly unequal, upper nearly as long as spikelet, firmly membranous, keel scaberulous, apex abruptly acuminate, lower glume 1–3-veined, upper glume 3–5-veined; lemmas broadly lanceolate, thinly leathery, rounded on back, 5–7-veined, veins smooth, not raised, scabrid above middle, apex scarious, usually 3-denticulate, sometimes mucronate; floret callus subacute, bearded laterally with stiff hairs; palea subequal to lemma, narrow, flat, apex sharply 2-denticulate.

小穗侧面压扁，披针形长圆形，小花数个，邻接；小穗轴高于颖片微糙，脱节和在小花之间；颖片稍不等长，上面近等长小穗，坚定膜质，龙骨状，先端突然渐尖，下部颖片1-3，上面颖片3-5－脉；宽披针形的外稃，在背面上薄革质，圆形，5-7－脉，平滑的脉，不凸起，在中部以上，先端，通常3－具小齿，小花结茧稍尖，用硬的头发侧面公然反对；内稃近等长于外稃，缩小，平，顶明显2－具小齿。

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。