一架由休斯敦控制中心控制的照相机注视着宇航员们。

This camera, controlled from mission control back in Houston, kept an eye on the astronauts.

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前言：目的：探讨儿童旁中心注视性弱视治疗方法。

Objective: To investigate the treatment of amblyopia with eccentric fixation in children.

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前言：目的：探讨儿童旁中心注视性弱视治疗方法。

Objective: To investigate the treatment of amblyopia with eccentric fixation in children.

youdao