In the UK drinking water can contain no more than 100 micrograms of THM per litre. A microgram is one millionth of a gram.
在英国每升饮用水中三卤甲烷（THM）不允许超过 100 微克（一微克是一克的一百万之一）。
Whether this has a potential for carry over into food at low concentrations (usually in the range of microgram per kilogram) and could further impact human health may need further evaluation.
关于这种情况能否导致少量成分（通常在微克/公斤范围内）进入食物，继而对人类健康产生影响可能还需要进一步的评估。
A single 15 microgram dose of swine flu vaccine is enough for kids 10 and older, while children under 10 will need two doses, 21 days apart.
对于10岁和10岁以上的孩子们，单个15微克剂量的猪流感疫苗就足够了，而10岁以下的孩子们将需要二个剂量，间隔21天。
The researchers found that the long-term death rate from lung cancer rose by 8 per cent for every 10-microgram increase in the average concentration of PM2.5s per cubic meter.
他们发现，每立方米PM2.5的平均浓度每增加10微克，在长期的作用之下，肺癌导致的死亡率就会增加8％。
Combined with the design of a math coprocessor, the paper dis-cusses how to determine microinstruction format and write microgram code. Multiplication code is presented as an example.
文章以某数值协处理器的设计为例，研究了微指令格式的确定以及微程序代码的编写，并给出了编制的乘法微代码的实例。
Combined with the design of a math coprocessor, the paper dis-cusses how to determine microinstruction format and write microgram code. Multiplication code is presented as an example.
文章以某数值协处理器的设计为例，研究了微指令格式的确定以及微程序代码的编写，并给出了编制的乘法微代码的实例。
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