Uncertainty assessment on detecting trace uranium in water with MUA model trace uranium analyser.

MUA型微量铀分析仪测定水中微量铀的不确定度评定。

youdao

The velocity analysis accuracy may be raised by applying iterative stacking method and multiplying model trace stacking method to common-range gathers.

采用同炮检距道集进行迭代叠加和乘模型系数道叠加，可以提高速度分析的精度。

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For larger enterprises that are bound by regulatory requirements, however, this model may not suffice, as you cannot trace all work back to the originating request.

然而，对于大规模被捆绑有常规请求的企业，这个模式可能就不能满足，正如您不能跟踪所有的工作到最初的请求一样。

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They are typically on older-model vehicles and are more difficult to trace, and authorities say they are frequently used in car bombings.

NPR: Alarm Grows As Iraqi Forces Fail To Stem Violence

If they can pick up fibres or fingerprints from a crime scene, they can trace it back to the year, make, model of the car that the fibre came from and the thumb that left the fingerprint.

BBC