We topically applied verapamil cream on the ears of guinea pigs to observe its effect.

将维拉·帕米霜外涂于豚鼠耳部，观察其对豚鼠表皮的影响。

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Objective: To study the treatment of simple obesity in children and observe its effect.

目的：观察光灸对儿童单纯性肥胖症的治疗效果。

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Objective: To prepare compound anti-ringworm cleaning solution, and observe its effect on treating ringworm.

目的：制备复方治癣洗液并观察疗效。

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Perhaps its greatest moment came in 1979 when it was the first telescope to observe a gravitational lens, an effect where a "massive" object bends electromagnetic radiation such as light around it.

BBC: Aye to the telescope