... tensioner ring 扩张环 ; 胀环 wire tensioner 线张力控制仪 Air Tensioner 引线张力器 ...
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微分扩张环 [数] differential extension ring
弱分次根扩张环 Weakly graded radical extension
环扩张 ring extension
循环扩张 [数] cyclic extension
活塞环扩张器 piston ring expander ; compression inner ring
主动脉环扩张 annuloaortic ectasia ; expansion of aortic circle
瓣膜环扩张 Expansion valve ring ; Ring Expansion valves ; Valve ring expansion
扩张器环 expander ring
同一装置还可用于观察牵拉纵肌或扩张环肌所引起神经节细胞电活动的变化。
The preparation of the isolated IMG-colon and the apparatus used in this technique were also applicable in studying the effects of muscle stretch of the colon on the neuronal electrical activities.
证明了任一环有代数封闭的扩张环，且实封闭域上的四元数体是代数封闭的，给出了代数封闭环的若干性质。
The two theorems are proved that any ring can be extended into an algebraically closed ring and that the quaternionic skew field over a real closed field is algebraically closed.
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.
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