The weather radar, possessing a wide coverage and accurate real-time response, has back waves corresponding to arbitrary points within its coverage.
天气雷达覆盖面广、实时性强，对于观测区域内任意点都有回波与其对应。
In sports, when a team has "back-to-back" games, it means that they must play two games in a row away from home before returning for either a rest or a home game.
体育比赛中的“背靠背”是指一支球队连续打了两场客场比赛，中途没有返回主场休息或者在主场进行比赛。
In sports, when a team has "back-to-back" games, it means that they must play two games in a row away from home before returning for either a rest or a home game.
体育比赛中的“背靠背”是指一支球队连续打了两场客场比赛，中途没有返回主场休息或者在主场进行比赛。
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