Not visible here is unusual central polar ring of gas circling out of the plane near the galaxy's center.
一罕有的中央气体极环这里并不能看到，极环盘旋于靠近星系中间的外侧平面。
There were 22 microtubules originated from the polar ring, and extended alongside the inner pellicular complex to the posterior end of the merozoite.
有22根微管发自极环，沿内膜复合体向体后延伸至尾端。
A rare galaxy type, polar ring galaxies have a substantial population of stars, gas, and dust orbiting in rings nearly perpendicular to the plane of the galactic disk.
极环星系是种稀有的星系类型，它们有着几乎和银盘平面垂直，呈环形公转的大量的恒星、气体和星尘。
But conditions might not be sufficient to ensure the long-term survival of polar-bear prey, such as ring seals.
但是，这对于北极熊及其食物链上的物种——比如海豹而言，却并不是长久的生存之计。
But it's exactly what is required for polar bears, ring seals, and the snowy-white beluga whales — the highly vocal canaries of the sea.
而那正是北极熊、环纹海豹和海洋高音金丝雀——雪白的白鲸所需求的。
Unfasten the R. A. clamp and turn the telescope around the polar axis to set the observing date on the date graduation ring to the observing time on the R. A. and hour graduation ring.
松开赤经制动钮并使望远镜围绕极轴旋转用以设置日期刻度盘上的观测日期对准赤经兼小时刻度盘上的观测时点。
Unfasten the R. A. clamp and turn the telescope around the polar axis to set the observing date on the date graduation ring to the observing time on the R. A. and hour graduation ring.
松开赤经制动钮并使望远镜围绕极轴旋转用以设置日期刻度盘上的观测日期对准赤经兼小时刻度盘上的观测时点。
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