Spedding and his colleagues think that the unique aerodynamic wake signatures of bat wings are caused by different mechanical operations in the upstroke of the wingbeat.
斯佩丁和他的同事们认为，独特的气动签字后，蝙蝠的翅膀所造成不同的机械操作，在upstroke的wingbeat 。
| 单词 | upstroke |
| 例句 |
英语例句库
Spedding and his colleagues think that the unique aerodynamic wake signatures of bat wings are caused by different mechanical operations in the upstroke of the wingbeat. 斯佩丁和他的同事们认为，独特的气动签字后，蝙蝠的翅膀所造成不同的机械操作，在upstroke的wingbeat 。 声明：以上例句、词性分类均由互联网资源自动生成，部分未经过人工审核，其表达内容亦不代表本软件的观点；若发现问题，欢迎向我们指正。
原声例句
TED-Ed（视频版） Hummingbirds however, turn their wrists during the upstroke, changing their wing's angle to flap in a figure 8 pattern that continually generates lift throughout their wingbeats. 然而，蜂鸟在上击时转动手腕，改变翅膀的角度，以 8 字形模式拍打，在整个拍翅过程中不断产生升力。 PBS地球-动物趣闻 Their wing joints are also stiffer than those of flying birds, which helps them produce thrust on both the downstroke - like most birds do - and on the upstroke of the wing. 它们的翅膀关节也比飞鸟的关节更硬，这有助于它们像大多数鸟类一样在下击和上击时产生推力。 |
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