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1·Soil sampling;

土壤采样；

2·What is the best method of soil sampling for research work?

我们的研究中，最佳的采样方法是什么？

3·For lunar exploration missions such as soil sampling, payload instrumentation must safely descend to the lunar surface.

为了完成对月球土壤的取样等科学任务，必须确保某些有效载荷安全降落在月球表面。

4·Inherent limitation involved in the traditional soil sampling techniques makes it imperative to explore alternative new techniques.

传统的土壤采样技术存在着诸多的不足，使得新技术的探索势在必行。

5·Sampling designing based on spatial distribution and variability of soil properties is an important issue in recent studies on soil sampling.

利用土壤空间变异特性和空间分布特征进行采样设计是当前土壤采样研究的重要内容。

6·The soil moisture is measured in the field by time domain reflectometry , neutron probe and soil sampling, The results showed that the measured values are different.

应用时域反射仪、中子仪和上钻法测定了农田土壤水分，并对农田土层含水量和主体贮水量的测定结果进行了比较。

7·Soil sampling technique was one of ways of getting the information of soil nutrition. And the tested results are very important to making a reasonable prescription map.

精准农业土壤采样技术是变量施肥技术获取土壤养分信息的重要手段，土壤养分测定值是生成施肥处方图的重要数据之一。

8·Based on the abroad collected data and study of soil sampling, the rule of water -salt movement in Songnen Plain and the process of soil Saline -alkali were analyzed fully.

在广泛搜集资料和实地土壤采样调查的基础上，系统分析人为干扰下松嫩平原水盐运动规律及土壤盐渍化过程。

9·Result of forest soil sampling indicates that: design-based approach is mainly based on the traditional investigation, the number of samples and study area are mostly considered by this approach.

森林土壤取样的研究结果表明：基于设计的取样策略主要建立于传统的调查取样的基础上，需要多少样本，研究区应设定多大范围是设计考虑的主要内容。

10·To improve efficiency and veracity of soil sampling in testing bulk density, the cutting ring method and in situ soil tube method were combined and a multi-segment in situ soil sampler was designed.

为了提高土壤容重测定中土样采集的效率和精准性，将环刀法和原状取土管法结合，进行了分段式原状取土器的研制。