Transporting physical samples can be time consuming and expensive.

实物样品运输费时且昂贵。

youdao

Finalists that conform to the core judging criteria will be asked to submit physical samples of their designs for the final round of judging.

进入决赛者将须提交其实质设计样品以供末轮评判。

youdao

Multispectral analysis reveals each successive layer of colour, and enables the pigments and pigment mixtures of each pixel to be identified without taking physical samples.

多谱线分析揭示了色彩的每一个连续色阶，并且在没有实际颜料时，也能鉴定出每一种颜料以及多种颜料的混合时的各个层次的像素色。

youdao

They also will study chemical and physical properties of the soil samples with a method called infrared spectroscopy.

VOA: special.2009.01.20

Physical samples are kept in large cabinets and open shelves in an upstairs space.

WSJ: Lily Pads and Bamboo Stalks, Made of Clay

Then they make physical samples.

WSJ: Lily Pads and Bamboo Stalks, Made of Clay

The open beta version of PS Suite SDK incorporates a 2D graphics game engine and 2D physical engine, as well as a variety of content samples which utilize these libraries, in order to help developers create content that is optimized for portable devices.

ENGADGET: PlayStation Suite's 'open beta' SDK available to download now