Alstonia

常见例句

Alstonia glaucescens (K.Schum.)Monach.
野灯台树
The growth performance and nursery quality of Alstonia scholaris plants in hard pot were similar to those in soft pot.
而塑胶盆具有较佳的排水性和土壤氧气扩散速率，因此塑胶盆苗较田间苗和不织布袋苗具较佳的生长表现和根系活力。
The population distribution pattern of Alstonia scholaris is contagious pattern.
种群分布格局为成群分布型。
The results showed that the plant of Alstonia scholaris grown in field or in fabric bag had lower soil oxygen diffusion rate (ODR) than that in plastic pot.
以黑板树为材料，比较塑胶盆、不织布袋（美植袋和栽植袋）以及田间栽培等生产方式对苗木生长和品质的影响。
Room service: A red-knobbed hornbill arrives with breakfast, which he will regurgitate for his roughly three-month-old chick safely inside a nest hole in an Alstonia tree.
客房服务：一只长有红色盔突的雄犀鸟带着早餐翩然而至。雄犀鸟将会把食物反刍给它大约3个月大的雏鸟，雏鸟安全地在一棵鸡骨常山属树木的巢穴里。
Wild Alstonia scholaris, which is inadequate, is scattering and severely interfered by human activities.Recently, Alstonia scholaris has gradually been planted on a large scale.
天然状态下多为散生，并且已受到了强烈的人为干扰，天然资源量处于匮乏状况，近期，人工种植灯台树逐渐向规模化发展。