hour-circle 时圈
hour circle of vernal equinox 春分点时圈
An Hour Economy Circle 一小时经济圈
one-hour city economic circle 小时城市经济圈
one-hour intercity traffic circle 城际一小时交通圈
one hour economic circle 一小时经济圈
以上来源于: WordNet
N a great circle on the celestial sphere passing through the celestial poles and a specified point, such as a star 时圈
Hong Kong-Zhuhai-Macao Bridge, the world's longest sea-based project, brings people in those three cities within a "one-hour living circle".
港珠澳大桥是世界上最长的海基工程，它将这三个城市的人们聚集在一个“一小时生活圈”内。
Another hour of the divine comedy passed and finally, I was into the next circle of hell: Russian customs.
像是一出一本正经的喜剧，又等了一个小时，我来到了下一个地狱般的地界：俄国海关。
The fact that there are 60 minutes in an hour and 360 degrees in a circle is a relic of the Babylonians' choice of base 60.
事实上，一小时60分钟， 一周360度这些都是巴比伦人选择60为基数的痕迹。
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