如果想要亲自核对这个数据，点击这里查看圣路易斯联邦储备银行的M2系列。
If you want to check any of this data yourself, start here with the St. Louis Fed's series on M2.
喷气推进实验室从小行星中心获得轨道数据，并逐颗核对确定小行星的轨道。
The JPL team takes orbit data from the Minor Planet Center and refines it, asteroid by asteroid.
偏远的肯塔基，拉久娜•维尔切在自家农场，用在线数据库核对当地大农场主需要的紫花苜蓿。
FROM her remote farm in southern Kentucky, Lajuana Wilcher checks an online database for local ranchers demanding alfalfa.
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