At the vortex center zone, the tangential velocity was less than the axial velocity.

涡心附近的切向速度小于轴向速度。

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Access is limited to within the same availability zone similar to a SAN in a data center.

访问仅限于同一个有效的区域，这个区域类似于数据中心的一个SAN。

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He's the most rigid of the Heat's trio, but even he stepped out of his comfort zone and played the center position when the game mattered most.

他是热火队三人组中位置最固定的一个，但他甚至经常出现在不属于自己的活动范围内，比赛到关键时候时还打过中锋。

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Authorities are taking no chances. Although they have announced there will be no red zone, an alcohol ban will come into force starting Tuesday in the center of Rome and the area surrounding the stadium.

VOA: standard.2009.05.26

Defenseman Dmitry Kulikov sent a pass off the sideboards in his zone into center ice.

WSJ: Zajac sets up 2, Brodeur has 17 saves for Devils

But as the heat rose and the winds increased, they had to give up and move to the very center of the safety zone.

NPR: Ex-Firefighter Relives Yellowstone's 'Black Saturday'

Right after the neighborhood tour, we helped to cut the ribbon at the grand opening of the Green Impact Zone Community Assistance Center.

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