The birds move constantly, slowly rotating from the cold outside rings to the warm, wind-free center.
这些雄帝企鹅不断地移动着，从寒冷的外圈慢慢地转动到温暖无风的中心部位。
Huddle forms when hundreds, even thousands, of males crowd together.The birds move constantly, slowly rotating from the cold outside rings to the warm, wind-free center.
当成百上千只雄帝企鹅挤在一起时就形成了一个大“团”。这些雄帝企鹅不断地移动着，从寒冷的外圈慢慢地转动到温暖无风的中心部位。
A number of designs use two rings of stubby, counter-rotating blades made from composite materials.
有许多设计采用了两圈短而粗的、反向对转的采用复合材料制作的叶片。
One way to increase the efficiency of a high-bypass jet engine is to turn the fan into an open rotor, a bit like returning to propellers, but using two rings of stubby counter-rotating blades.
提高高旁通飞机引擎的方法之一就是把风扇变成开放式旋翼，有点回归于螺旋桨的味道，但要使用两圈粗短的反旋桨叶。
Years of imagery, leaves and gradually green leaves, the song rings rapidly rotating along.
岁月的意象渐渐绿了，嫩叶和新叶的歌，沿着年轮急速地旋转。
Years of growth rings, like the black rotating record, in the heart of each one of us playing the beautiful old love song.
岁月的年轮，像那黑色的旋转着的唱片，在我们每个人的内心深处播放着那美丽的旧日情曲。
The swinging rotating joint consists of spherical body, thread joint sleeve, locking screw nut, large copper washer and two spherical rings.
本发明摆动旋转接头由球型接头体，螺纹接头套，锁紧螺帽，大铜垫和两个球面转环构成。
Large isotropic pyrolytic carbon rings were fabricated by a steady fluidized bed deposition apparatus with a rotating substrate.
采用一种新的旋转基体稳态流化床沉积装置制备大尺寸的各向同性热解炭材料。
Spiral-Groove gas seals work by maintaining a narrow clearance between the rotating and stationary rings. The finited element method is used to solve Renolds equation of the gas.
分析了螺旋槽气体密封间隙内的气体运动并建立了雷诺方程，将用有限元素法对该方程求解所得的结果与有关文献中的结论进行了比较；
Materials for Rotating and Static Rings: Impregnating resin (metal) graphite, Carborundum, hard alloy, etc.
动、静环材料：浸渍树脂(金属)石墨、碳化硅、硬质合金等。
Materials for Rotating and Static Rings: Impregnating resin (metal) graphite, Carborundum, hard alloy, etc.
动、静环材料：浸渍树脂(金属)石墨、碳化硅、硬质合金等。
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