“mountain biking”的概念、定义、翻译、参考文献-科学参考

单词	mountain biking
释义	mountain biking Encyclopedia 教育学自行车运动释 mountain biking山地自行车运动以山地自行车为骑行工具，从起点出发，在丘陵、小径、原野及砂土碎石道骑行的竞速性竞技体育项目。
随便看	bounded above complex bounded above filtration bounded above operator bounded above sequence bounded above set bounded approximation bounded approximation property bounded arithmetic bounded basis bounded below bounded below complex bounded below filtration bounded below operator bounded below sequence bounded below set bounded bilinear form bounded body bounded chain bounded characteristic bounded closed set bounded closure bounded cohomology bounded complete statistic bounded complete sufficient statistic bounded complex

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