Lead is mainly used in batteries and has enjoyed a structural improvement in demand in recent years.
铅主要用于制造电池，近年来其需求结构也已得到改善。
2
But he would like to see the courts place less burden on psychiatrists, who are not capable of identifying all the subtle structural changes that lead individuals to behave as they do.
但他希望法庭减轻精神科医生的负担，因为他们无法识别出那些导致人出现某种行为的所有结构上的细微变化。
3
L.M. : What we have found is that DNA produces structural changes in water, which persist at very high dilutions, and which lead to resonant electromagnetic signals that we can measure.