查询词典 pinnate-veined

North American perennial with hairy basal pinnate leaves and purple flowers and plume-tipped fruits.

北美洲的一种多年生植物，具有多毛的羽状基叶，紫色的花朵，果实顶端有宿存的羽毛状花柱。

Any of various plants of the genus Sesbania having pinnate leaves and large showy pealike flowers.

主要为热带的一个羽状叶草本、灌木或乔木小属，花通常蝶形，大而美丽。

Leaves thrice or twice pinnate; leaflets small, 2-15(-22) mm long.

叶为3或2回羽状复叶；小叶小，长2-15(-22) mm。

The raffia palmof tropical Africa has huge pinnate leaves up to 80feet long.

产自热带非洲的酒椰棕榈长达80英尺的羽状叶片。

Leaves alternate, often distichous; petiole short; leaf blade simple, margin entire or serrulate, venation pinnate.

叶互生，通常2列；叶柄短单叶，有细锯齿的边缘全缘或，羽状脉。

Leaves odd-pinnate, usually with 3 or 5 leaflets; stipules caducous; leaflet blades oblong to elliptic, glabrous or sometimes slightly pubescent, margin serrate to serrulate.

奇数羽状复叶，通常具3或5小叶；托叶早落小叶叶片长圆形到椭圆形，无毛或有时稍短柔毛，边缘有锯齿到有细锯齿。

Leaves 2–3-pinnate, ultimate segments linear-lanceolate; fruit ribs prominent or narrowly sinuate- winged.

叶2-3回羽状，末回裂片线状披针形；狭的果棱突出的或具深波状具翅。

Leaves simple, alternate, opposite, or whorled, petiolate or sessile, papery or leathery, with pinnate veins, margin entire, leaves rarely reduced and scalelike; stipules absent, sometimes spiniform or scalelike appendages present.

单叶，互生，对生，或轮生，具叶柄的或无梗，纸质或革质，托叶无，有时有刺状或者鳞片状附属物。

After 13 months culture, sporophytes began to form. Each gametophyte had several archegonia, and only one sporophyte was produced per gametophyte. The first sporophyte frond was simple and had pinnate venation.

抱子体在经13个月的培养后开始产生，每个配子体虽然有许多的藏卵器，但只产生一株孢子体，第一片孢子体的叶片为单叶羽状脉。

Leaves tufted; stipes 15-30 cm long, densely scaly at base, glabrous above; sterile lamina about 60 cm long and 20 cm wide, simply pinnate; pinnae numerous, alternate or subopposite, linear-lanceolate, the largest about 12 cm long and 1 cm wide, base cordate, apex acuminate, margin finely toothed; veins close, forking once or twice and forming areoles near the midrib; fertile lamina similar to sterile ones, but somewhat reduced, about 8 cm long and 0.4 cm wide, lower surface almost entirely covered with sporangia.

叶簇生；叶柄长15-30厘米，基部密被鳞片，向上近光滑；不育叶片长约60厘米，宽20厘米，一回羽状；羽片多数，互生或近对生，线状披针形，最长者长达12厘米，宽约1厘米，顶端长渐尖，基部心形，边缘有细密锯齿；叶脉1-2次分叉，近中脉形成网眼；能育叶与不育叶相似，但较小，长约8厘米，宽约0.4厘米，下部满布孢子囊。

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。