On the basis of such research, it also presents a portable gravity corer, which is regarded as a suitable sediment sampling tool for environmental research sectors.
研究了重力取样器的取样技术，并在此基础上成功设计了一种便携式的重力式取样器，非常适合环境研究机构的沉积物取样工作。
Cooperated with RD safety circulating valve, it can entirely take the place of APR-M2 tool with the character of accurate sampling, reducing construction period, simple and safe sampling etc.
与RD安全循环阀配合使用，完全可以替代APR-M_2工具，具有取样准确、缩短施工工期，取样过程简单、安全等特点。
Based on production investigation and sampling data by fishing vessel in 2005, composition and monthly variation of by-catch were analysed with data analysis tool of Microsoft Excel.
根据2005年渔业资源监测船生产调查资料和现场取样数据，运用数理统计方法分析了虾拖网副渔获组成及其月份变化等。
Activity sampling-an often overlooked tool is activity sampling, usually called work sampling by North American IEs.
活动抽样—一种经常被忽视的工具就是活动抽样，通常被北美的工业工程师们称为工作抽样。
Activity sampling-an often overlooked tool is activity sampling, usually called work sampling by North American IEs.
活动抽样—一种经常被忽视的工具就是活动抽样，通常被北美的工业工程师们称为工作抽样。
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