Well, let me come up with a sample set of elements here and let me go ahead and just get some fresh white board space.

下面我用一个元素的样本集来说明,我先找一些可用的白板空间。

哈佛公开课 - 计算机科学课程节选

The monthly Consumer Confidence Survey, based on a probability-design random sample, is conducted for The Conference Board by Nielsen.

FORBES: Consumer Confidence Index Gets a Holiday Boost

Regrettably, the Japanese DSLR dominator had pretty early firmware on board and refused to let us take any sample pictures or video, but we were able to compile a few impressions anyhow.

ENGADGET: Nikon Coolpix S1100pj and S5100 hands-on Hands-on

The drill will produce a powdered sample that can be put in the robot's on-board laboratories for analysis.

BBC: Curiosity Mars rover deploys its rock brush