目前对该技术的研究重点是如何提高它的测试灵敏度。
Presently the study keystone of the technique is how to improve its sensitive to measure.
同时分析了应变环中电阻应变计长度对测试灵敏度的影响。
The influence of resistance strain gauge length in strain-ring on measuring sensitivity is analysed as well.
对低含量水质样品采用了碱金属氢氧化物共沉淀，简化了样品富集程序，提高了测试灵敏度。
The alkali hydroxide co-precipitation for low content water sample is employed to simplify the sample enrichment process and the monitoring sensitivity is improved.
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