return "({v.x}, {v.y})";
CREATE INDEX products_data_idx
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“临汾地势是‘两山夹一川’，沿汾板块容量小排放大，沿黄板块是国家重点生态功能区，沿太岳板块有容量但缺项目。”临汾市委书记李云峰代表没有急着摆数据、讲成绩，而是先描述起了临汾特殊的地形地貌和面临的问题。
fallback_region: String,
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Live Nation will also be required to make a few changes to its business practices. According to NBC News, Ticketmaster, a subsidiary of Live Nation, will be required to create a "standalone ticketing system" that allows third-party competitors like SeatGeek and Eventbrite to sell tickets on.
人形機器人：「先规模后创新」的賭博，更多细节参见新收录的资料