This was in north central Oklahoma near Medford.

这是俄克拉荷马中北部的梅德福附近。

Professor Medford said: 'The idea to make detector plants comes directly from nature…

梅德福教授说：“这个植物侦察器的概念来源于大自然……

The detection abilities of these plants are similar to or better than those of dogs, Professor Medford said.

而梅德福教授认为这些植物的侦查能力类似于，甚至高于犬类的侦查能力。

"The idea to make detector plants comes directly from nature," said Professor June Medford, the lead scientist on the team.

科研组带头人琼·梅德福教授表示：“探测植物的想法直接从自然界得来。”

The fluidity of perceptions of past presidents reflects contemporary concerns, according to Edna Medford, a survey leader and participant.

调查负责人及参与者埃德娜。梅德福说，排名的变动受到如今人们关注点的影响。