IRK 发表于 2025-3-28 14:35:37
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http://reply.papertrans.cn/31/3020/301972/301972_46.pngoverwrought 发表于 2025-3-29 16:15:08
The Immune System in Normal Skin and in AIBDe government must assist farmers in managing their risks. The Federal crop insurance program and the various other agricultural programs were designed to assist farmers in the management of risks (U.S. Congress, 1989, p. 57).oracle 发表于 2025-3-29 20:45:51
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Crop Insurance Decisions and Financial Characteristics of Farmsicides and irrigation, thus making crop insurance unnecessary. (See Glauber, Harwood, and Miranda 1989, and Commission for the Improvement of the Federal Crop Insurance Program 1989 for an overview of crop insurance issues.)抛物线 发表于 2025-3-30 07:34:01
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