查询词典 deciduous

Culm sheaths gradually deciduous to persistent, triangularly narrowly rounded, leathery, longitudinal ribs obscure, densely yellow-brown setose, margins yellow-brown setose; auricles absent; oral setae few, yellow-brown, 1–5 mm, slender; ligule truncate or convex, 1–2 mm, initially ciliate; blade reflexed or erect, linear-lanceolate, glabrous, margins smooth.

对持久，三角形逐渐脱落勉强绕行的竿箨，偏僻的似皮革，长度肋骨，具刚毛的黄褐色的浓密，具刚毛的空白边黄褐色；叶耳无；口头的刚毛少数，黄褐色，1-5毫米，纤细；叶舌截断或者凸，1-2毫米，最初纤毛；叶片反折的或直立，线状披针形，无毛，边缘平滑。

Culms 2–5 m, 5–12 mm in diam.; internodes terete, 20–32 cm, pith spongy; nodes weakly prominent, sheath base persistent, corky, glaucous, pilose; intranode ca. 9 mm. Culm sheaths persistent or late deciduous, brown, shorter than internodes, fragile, densely setose; auricles falcate; oral setae ca. 5 mm; ligule arcuate, ca. 2 mm; blade triangularly ovate-lanceolate, abaxially slightly hairy at base.

秆2-5米，5-12毫米直径；节间圆柱状，20-32厘米，木髓海绵状；节身体虚弱突出，宿存的鞘基部，木栓质，有白霜，； intranode约晚落叶的9毫米竿箨宿存或，棕色，节间，脆的短于，密被刚毛；叶耳镰刀形；口头的刚毛约5毫米；弧曲的叶舌，约2毫米；叶片三角形卵状披针形，背面的稍有毛在基部。

Plant deciduous, very rarely evergreen; inflorescence umbellate, corymbose, or compound-corymbose; rachis and pedicels with prominent lenticels in fruit.

植株落叶，极少常绿；花序伞形，伞房状，或者复合；在果期的有突出的皮孔的轴和花梗。

Seed cones (7-)9-18(-20) cm, all deciduous; umbo central, depressed-pyramidal, with a stout, short prickle; needles 2 or 3 per bundle

球果(7-)9-18(-20)厘米，全部落叶；中心，下凹的金字塔的鳞脐，具一粗壮，短皮刺；针叶2或3 每包 15 Pinus elliottii 湿地松

The avenue planting of nine cities in Zhejiang has the following characters: 1. Avenue planting tree species are plenty; 2. Avenue planting benefits among the cities are not uniform and tree species used are various; 3. Tree species used for avenue planting are simple and landscape effects unideal; 4. Cultivated manner and stratal structure are simple, ecological benefits no good; 5. The tree species ratio, of evergreen with deciduous, of fast-growing with slow-growing, is out of proportion, and short-term...

通过对浙江省具代表性的9个主要城市行道绿化状况的调查分析，结果表明浙江省城市行道绿化具以下几个特点：①行道树种资源丰富；②城市之间绿化效果差异悬殊，所采用的绿化树种各有侧重；③绿化树种单一，色彩单调，景观效果差；④栽植配置方式单一，层次结构简单，生态效益差；⑤常绿树种与落叶树种、速生树种与慢生树种比例失调，近期效益考虑多，远期效益考虑少。

Gymnocladus dioicus K. is a large deciduous tree with unisexual flowers, which are good research materials for sexual differentiation. Researches from cytomorphology, cytohischemstry and analyses of special proteins on both male and female flowers in different developmental stages were systemly reported in this paper. The sex differentiation process of Kentucky coffeetree first undergo a vengetative stage, then a bisexual stage, finally unisexuality by means of the reduction or abortion of inappreciate sex organ primordial.

本论文以美国肥皂荚雌株及雄株上不同发育时期的花蕾和花为试材，从细胞形态学、细胞组织化学、特异蛋白质分析三方面首次对其花芽分化及开花特性进行详细描述，进而就其花性别分化过程进行了比较系统的研究，对其单性花形成机制方面进行了讨论。

Viburnum carlesii is deciduous and Viburnum utile is evergreen , so in the spirit of compromise , their tall offspring is semi-evergreen .

荚蒾槠是落叶和荚蒾 utile 是常绿，所以在本着妥协的精神，他们的3米高的后代，是半常绿。

Viburnum carlesii is deciduous and Viburnum utile is evergreen , so in the spirit of compromise , their 3m tall offspring is semi-evergreen .

荚蒾槠是落叶和荚蒾 utile 是常绿，所以在本着妥协的精神，他们的3米高的后代，是半常绿。

Deciduous or evergreen shrubs or small trees: arrow-wood; wayfaring tree.

一个落叶或常绿灌木或小乔木属；箭木；绵毛荚迷。

Small genus of deciduous West Indian trees or shrubs: carib wood.

每年落叶的在西部印度乔木或灌木的小属；加勒比树木。

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。