We know that plenty of toxic chemicals are harmful to developing brains—including lead, methylmercury, PCBs, organophosphate pesticides, flame retardants (PBDEs) and phthalates.
我们知道许多有毒化学物品对大脑的发育都有影响，这包括铅、甲基汞、多氯联苯、有机磷杀虫剂、阻燃剂和领苯二甲酸盐。
Symptoms such as you describe could be caused by a number of problems, including lead perforation or pacemaker syndrome.
你描述的这种症状，可有许多种问题引起，其中包括引线穿孔或起搏器综合症。
It's estimated that dumped computers take ten thousand years to break down, leaving a cocktail of toxic materials including lead and mercury.
这些废弃电脑预计要超过一万年才能分解，留下许多有毒物质，包括铅和汞。
Research has also found that shark fin contains poisonous elements, including lead and mercury, but the nutritious value is less than that of chicken or pork.
同时也有研究发现鲨鱼翅含有铅汞等有毒元素，而营养价值却不及鸡肉和猪肉。
4 + years minimum in custom automation machine design, debug, and qualification, including lead position for complex projects.
至少四年以上非标自动化设备机械设计，调试经验，包括复杂项目中担任主设计师的经验在内。
3 + years minimum in custom automation machine design, debug, and qualification, including lead position for complex projects.
至少三年以上非标自动化设备机械设计，调试经验，包括复杂项目中担任主设计师的经验在内。
3 + years minimum in custom automation machine design, debug, and qualification, including lead position for complex projects.
至少三年以上非标自动化设备机械设计，调试经验，包括复杂项目中担任主设计师的经验在内。
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