With this disk replication system, snapshots of the state of the primary data center are captured and asynchronously transferred to the disaster data center.

通过磁盘复制系统，将捕获主要数据中心的状态数据的快照并以异步方式传输到灾难数据中心。

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Gravitational tidal interactions with other members of its group have likely caused the spiral arms of NGC 3190 to appear asymmetric around the center, while the galactic disk also appears warped.

与星系群其它星系之间相互作用的引力潮可能导致了NGC 3190的旋臂不对称地环绕中心，而星系盘也出现了扭曲。

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Spiral galaxies, such as the Milky Way, consist of a flat disk with a bulging center and surrounding spiral arms.

象银河系一样，螺旋星系由一个中间鼓起的扁圆盘和环绕在周围的螺旋形手臂组成。

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Together these two winds produce a shield that allows certain types of matter in the outer regions of the accretion disk area to sail away safely, said the scientists from the Goddard center.

CNN: Black holes in a new light