查询词典 Palmae

In a survey to the diseases of Palmae plants made during the years from 2005 to 2007, Phoenix canariensis was found to be infected by a serious brown-spot disease.

于2005~2007年间调查棕榈科植物病害的过程中，发现加拿利海枣上发生一种严重的褐斑病。

New materials of Palmae from China.

标题 中国棕榈科植物新资料。

Any of various chiefly tropical evergreen trees, shrubs, or woody vines of the family Palmae, characteristically having unbranched trunks with a crown of large pinnate or palmate leaves having conspicuous parallel venation.

棕榈科植物棕榈科的各种主要的热带常绿树、灌木或木质藤本植物，特点为有无分支的树干，其顶端集生羽状或掌状的树叶，并带有明显的平行叶脉

Palmae ; Ecologic characters ; Propagation

棕榈科植物；生态习性；繁殖

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。