We inscribed surface relief grating on the thin films using Point-by-Point method and amplitude mask method (the amplitude mask was taken place by grating roll film manufactured by ourselves).

利用逐点写入法和振幅掩模法(振幅掩模板为自制光栅胶片)在这种薄膜上刻写了表面形貌光栅。

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Dr David Gunnell and colleagues from Bristol University point out that the method of suicide favoured by women - drug overdose - has become less lethal owing to the replacement of barbiturates by the less toxic benzodiazepines in the 1980s.

BBC: 20.50 11-02-99 pills ac

Our point is not -- I said this a week and a half ago -- our point is not to feign through method acting anger at what environmental and economic damage has been wrought by this disaster.

WHITEHOUSE: Press Briefing