"The ring itself is a fascinating object worthy of study because it is forming stars at a very high rate," Kartik Sheth, an astronomer at NASA's Spitzer Science Center, said in a press release.
“星环本身就让人兴奋，是很值得研究的事物，因为它的星体分布的密度非常高。”美国宇航局的斯皮策科学中心天文学家KartikSheth在记者会上说。
The release said an interstage ring is a key component in a multistage rocket, and that those used on China's current rockets were made in sections before being assembled.
发布会表示，级间环是多级火箭的关键组成部分，而用在中国现有火箭上的级间环以往都是分开制造，最后组装的。
The upper and lower rings have opposite charges, which allow the motor to contract and release, alternately tugging at the DNA like a ring of hands pulling on a rope.
高环和低环具有相反的电荷，这样的特性可以使其像拉绳子的两只手一样交替地拉住DNA。
The upper and lower rings have opposite charges, which allow the motor to contract and release, alternately tugging at the DNA like a ring of hands pulling on a rope.
高环和低环具有相反的电荷，这样的特性可以使其像拉绳子的两只手一样交替地拉住DNA。
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