Reasonably accurate for the time, that is quite close to today's value of 149,597,870 km, determined by radar, which has now superseded transits and all other methods in accuracy.
那个数值与今天雷达测定的149,597,870公里相当接近，就当时来说准确度很合理，雷达在精度上已经取代了凌日和其他所有方法。
Itsrevolutionary technology means that propulsion comes from the track, not thetrain, resulting in low noise, speeds of up to 285 km/h and a journey time ofjust eight minutes.
采用革新技术的磁悬浮列车依靠轨道的推力前进，而非火车车身。 因此，运行过程中，噪音极低，时速达285公里，浦东到市区只需八分钟。
According to NASA, a total eclipse, when the moon passes between the earth and the sun, is only visible from a narrow strip - about 150 km wide - of the Earth's surface at any one time.
据美国宇航局所说，整个日食过程，即在月亮位于地球和太阳之间的时间内，也仅仅在地表一条约150公里宽的狭长地带的某一时刻可以观看到。
An-26 can take on board up to 5.5 tonnes of load (or 40 paratroopers) and get it to the distance of 2500 km at any time of the day, even in difficult weather conditions.
一架安-26可能载重5.5吨（或者40个伞兵），并在一天的任何时候将其运输2500公里，甚至可以在很糟糕的天气条件下飞行。
A timer is set up at the finishing area of 5 KM. Participants finishing the race by the closure time can fill the result in the certificate according to the time read by the timer.
迷你马拉松终点处安装有计时器，在关门时间内完成比赛的选手，请根据自己到达终点的时间，自行填写成绩证书。
At the coldest time of year, 84 km of well prepared winter walking paths offer an irresistible invitation to discover the crisp Davos countryside.
在一年中最冷的日子里，有条84公里长的完备的冬季步行道，非去不可，可沿途观赏达沃斯清新的田园风光。
At the coldest time of year, 84 km of well prepared winter walking paths offer an irresistible invitation to discover the crisp Davos countryside.
在一年中最冷的日子里，有条84公里长的完备的冬季步行道，非去不可，可沿途观赏达沃斯清新的田园风光。
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