1) swift
[英][swɪft] [美][swɪft]
雨燕
1.
In this paper,behavior under lighting and distribution of Beijing swift which is a sort of famous and rare bird in Summer Palace are detailedly studied;pertinent observations and lighting experimentations were carried on near swifts\' nests in Summer Palace,using typical outdoor lamps and lanterns.
本文对北京珍稀保护动物——雨燕的光照特性、在颐和园的分布作了较为详细的研究;在此基础上,进行雨燕晨昏数量观测,并选用典型室外照明光源进行现场光照实验,初步得出雨燕受人工照明影响的原因及其光照承受照度阈值,提出相关照明控制建议。
2) rainstorm in Yanshan Mountain
燕山暴雨
3) Apodidae
雨燕科
4) Cypsiurus parvus
棕雨燕
5) swift
[英][swɪft] [美][swɪft]
褐雨燕
6) Swift
[英][swɪft] [美][swɪft]
雨燕(迅捷)
补充资料：雨燕
1.雨中的飞燕。 2.鸟纲。雨燕科大部分种类的通称。飞翔力强而且快。筑巢于峭壁缝隙中﹑高大屋檐下或树洞中。飞行时捕食昆虫﹐对农林有益。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条