卡西尼号拍摄的图像还在北纬60度发现了一个以前从未见过的巨大的、深色椭圆形环状体，大小与木星的大红斑相同。
The Cassini images also revealed a never-before-seen large, dark oval around 60 degrees north latitude that rivaled Jupiter's Great Red Spot in size.
实验证明在细分圆环状态下，能量效率和平衡性比圆形网络中的节点分布策略都有进一步的提高。
Experiments prove under the "thin" corona state, both the energy efficiency and balance have further raise than that of the distribution strategy in circular network.
管板单边电阻点焊由于其焊接结构的特殊性，生成熔核的外形为环状，其强度不能用传统的圆形焊点强度经验公式计算。
The strength of the ring nugget in sheet-to-tube single-sided spot welding is different from that of the button nugget in traditional sheet-to-sheet spot welding.
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