2. Recent expeditions have taken ice samples from green icebergs and ice cores—vertical, cylindrical ice samples reaching down to great depths—from the glacial ice shelves along the Antarctic continent. 近代的探险队已经从绿色冰山和冰核中带回了一些冰块样本,这些样本呈垂直的圆柱状,是沿着南极洲大陆的冰川冰架从极深的位置中取出的。
3. Arranged in a roughly cylindrical pattern. 以一个圆柱形的模式排着。
4. It was an ideal wave, smooth and cylindrical. 这是个非常理想的波浪,平滑呈圆柱形。
5. Actually, that's the same with cylindrical coordinates. 事实上,柱坐标中也是如此。