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科普时刻 | 辐射不迷路④:核农业 守护“舌尖”安全

  • 2026-05-20 10:31:24
科普时刻 | 辐射不迷路④:核农业 守护“舌尖”安全

提到"核"，你脑子里是不是立刻蹦出辐射、污染，危险？当"核"遇上"农"，碰撞出的不是恐惧，而是更丰产的粮食、更少的农药、更耐储存的食材。别急着摇头——核农业和核污染完全是两码事。在农业里，核技术是守护者：诱变育种让种子更强壮，辐射杀虫让农药更少用，辐照保鲜让食物更耐存。今天，就让我们揭开核农业的神秘面纱。

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  1. CONNECT:[ UseTime:0.000562s ] mysql:host=127.0.0.1;port=3306;dbname=h_mffb;charset=utf8mb4
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  6. SELECT * FROM `set` [ RunTime:0.006880s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000644s ]
  8. SELECT * FROM `article` WHERE `id` = 521586 LIMIT 1 [ RunTime:0.000469s ]
  9. UPDATE `article` SET `lasttime` = 1779685997 WHERE `id` = 521586 [ RunTime:0.007294s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 64 LIMIT 1 [ RunTime:0.000294s ]
  11. SELECT * FROM `article` WHERE `id` < 521586 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000479s ]
  12. SELECT * FROM `article` WHERE `id` > 521586 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.001988s ]
  13. SELECT * FROM `article` WHERE `id` < 521586 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000793s ]
  14. SELECT * FROM `article` WHERE `id` < 521586 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000792s ]
  15. SELECT * FROM `article` WHERE `id` < 521586 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000731s ]
0.094584s