birder的例句大全

analysis of influence factors of the web's inclined crack for prestressed box birder bridges

预应力砼箱梁桥腹板斜裂缝影响因素分析

the first digital audio recorder to have been designed by a birder, for birders.

首个为鸟友们使用数码音频录制器已经由一名观鸟者设计出来了。

a citizen scientist is a serious birder, often active in multiple bird conservation and education events.

民间高手是很认真的鸟人，他们通常积极参与多种鸟类保护活动和教育活动。

what type of birder are you? cast your vote to define your birding self!

你是哪种鸟人呢？投下你的选票看看你有多少同道吧！

analysis for influence line characteristic on simple birder composite arch bridge with different disposal of hangers

不同吊杆布置形式下简支梁拱组合体系拱桥的影响线特性分析

This paper analyzes the characteristics of the birder by the typical case study of birdwatching ecotourism, and summary the group characteristics of the birders. The findings will provide some information to develop the birder market of birdwatching ecotourism in China.

本文通过对生态观鸟者的典型调查，对观鸟者的特征进行了研究，总结了我国生态观鸟者的群体特征，这将为我国生态观鸟旅游客源市场开发提供分析资料。