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表1的DDE值较前有显著增加,以前的研究中约占DDT和DDE总量的65%,本次约占80%。其原因可能是DDT在减少用作植物防护剂之后,较多通过动物性食物而进入人的食物中,而动物性
The value of DDE in Table 1 increased significantly compared with that in the previous study, accounting for about 65% of the total amount of DDT and DDE in the previous study and about 80% this time. The reason may be that DDT enters into human food more through animal food after reducing its use as plant protective agent, while animal