This study trained them to swarm around the location of the scent of 2, 4-dinitrotoluene, a chemical residue left by several different types of bombs.

具体来说，在这项研究里，人们训练蜜蜂，以让它们蜂拥到一个具有2 4-二硝基甲苯气味的位置，很多不同种类的炸弹都会留下这种化学残余物。

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For example, 2, 6 - Dinitrotoluene and 2, 4 - Dinitrotoluene (isomer) are analysis by dielectric spectroscopy methods yielding excellent results.

以2,4 -二硝基甲苯和2,6 -二硝基甲苯(分异构体)介电波谱分析的示例，得到了很好的结果。

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For example, 2, 6 - Dinitrotoluene and2, 4 - Dinitrotoluene (isomer) are analysis by dielectric spectroscopy methods yielding excellent results.

以2,4 -二硝基甲苯和2,6 -二硝基甲苯(分异构体)介电波谱分析的示例，得到了很好的结果。

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