The vegetation in Shenzhou peninsula of Wanning was studied with the method of line and sampling research, and the species composition and vegetation types were analyzed.

以海南省万宁市神州半岛区域现有植被作为调查对象，采用路线调查和样方调查相结合的野外植被调查方法，研究该地区植被类型的情况。

youdao

Let me read to you-- this is taken from his book: "What this kind of research design means is a change in our conception of statistics, and especially of sampling theory.

以下这话引自他的书：,“设计出这类调研是为了,改变我们对统计的观念，尤其是对抽样调查的看法。

哈佛公开课 - 幸福课课程节选

The HSE said it was involved in two separate strands of work - the investigation into the management of asbestos at the school and the other into research sampling.

BBC: Asbestos: More concerns over Cwmcarn High School future

The Research 2000 poll, which carries a sampling error of plus or minus 3.5 percentage points, also shows 6 percent remain undecided in Missouri.

CNN: McCain, Obama in tight race as debates loom

Some research suggests that the miscarriage rate following chorionic villus sampling may be as high as 2%, the researchers said, which, if true, would raise that toll closer to 600.

BBC: Down's test miscarriage warning