Clinical Material and Methods: 38 male infertility patients with azoospermia were selected.

临床资料和方法选择38例为无精症。

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Material and methods: Choose harmless material to animal's cell and physical de-foaming methods.

材料与方法：采用对动物细胞无害的材料和物理方法去泡。

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Material and Methods: Renewed system image chain construction and developed the digital image workstation.

材料和方法：重新配置了系统影像链结构，研制了影像工作站。

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Because components differ a great deal in terms of size, raw material bases and manufacturing methods, it's hard to see them as one monolithic industry.

FORBES: Beefing up the rump

The project will ensure that the archive cataloguing and conservation methods are up to date, and that all material has been correctly recorded.

UNESCO: UK National Commission for UNESCO - A relic to a forgotten era: over a century of material documenting the medically incarcerated linked with Wellcome Trust in new project

The case has become a major embarrassment for Canada as its military and government struggle to explain how the former navy officer was able to use such primitive methods to copy and convey his material and remain undetected for so long, our correspondent adds.

BBC: Prison for Canadian navy officer turned Russian spy