1. RD sampling apparatus is a special sampling facility based on APR-M2 tool, which is composed of sampling tribolet, sampling outer barrel, rupture disc, sample tube etc. RD取样器是在APR-M_2工具基础上发展起来的专用取样设备，由取样心轴、取样外筒、破裂盘、样品腔几部分组成。
2. RD sampling apparatus is a special sampling facility based on APR-M2 tool, which is composed of sampling tribolet, sampling outer barrel, rupture disc, sample tube etc. RD取样器是在APR-M_2工具基础上发展起来的专用取样设备，由取样心轴、取样外筒、破裂盘、样品腔几部分组成。
3. RD sampling apparatus is a special sampling facility based on APR-M2 tool, which is composed of sampling tribolet, sampling outer barrel, rupture disc, sample tube etc. RD取样器是在APR-M_2工具基础上发展起来的专用取样设备，由取样心轴、取样外筒、破裂盘、样品腔几部分组成。
4. Secondly, based on stratified sampling, it put forward a new resident trip survey and studied sampling method in details. Furthermore, it advanced a sampling model for stratified sampling. 然后，基于分层抽样，提出了一类新的居民出行调查方法，并对其中的抽样方法作了细致的研究，提出了总体及分层抽样率的确定公式。
5. RD sampling apparatus is a special sampling facility based on APR-M2 tool, which is composed of sampling tribolet, sampling outer barrel, rupture disc, sample tube etc. RD取样器是在APR-M_2工具基础上发展起来的专用取样设备，由取样心轴、取样外筒、破裂盘、样品腔几部分组成。
网络释义
Point Sampling in a Double-Sampling Context 双重取样之样点法;
General rules for the sampling and sample preparation of minerals in bulk--Sampling by manual method 散装矿产品取样、制样通则 手工取样方法;
General rules for the sampling and sample preparation of minerals in bulk--Sampling by manual method 散装矿产品取样、制样通则 手工取样方法;
Point Sampling in a Double-Sampling Context 双重取样之样点法;
General rules for the sampling and sample preparation of minerals in bulk--Experimental method for checking the bias of sampling 散装矿产品取样、制样通则 取样系统误差校核试验方法;
