... Time Extension Ring 延长时间环 Integral extension of a ring 整性 ring extension 环扩张 ...
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他指出，从环太平洋缓慢生长的珊瑚中获得的气候数据表明，在拉皮塔扩张时期，厄尔尼诺现象曾频繁爆发，这很不寻常。
He points out that climate data obtained from slow-growing corals around the Pacific indicate a series of unusually frequent El Ninos around the time of the Lapita expansion.
轴向拉伸比和环向扩张比要合理匹配。
The axial drawing ratio and hoop extension ratio should be properly matched.
目的探讨导尿管球囊扩张治疗环咽肌失弛缓症的可行性。
Objective To explore the feasibility of catheter sacculus expanding therapy for cricopharyngeal achalasia.
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