To study and discuss for using a light observation method for testing particulate matter in small volume injections and sterile powder for injection.

目的：对用光阻法测定小容量注射液和注射用无菌粉末中的不溶性微粒检查方法进行研究和讨论。

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On the observation deck was a tarp-covered signal light, which Burke, an ex-Navy lieutenant, likes to flash at passing ships.

NEWYORKER: Bones of Contention

With delicate observation and quietly intense pathos, Dreyer captures the actors in a dappled light and a depth of shadow that seem to illuminate his characters from within.

NEWYORKER: The Parson's Widow

Another example of his unorthodox thinking is his observation that painting the roofs of buildings around the world white and using light-coloured road surfaces rather than blacktop would reflect a lot of sunlight back into space possibly enough to have an effect on global warming as big as taking every car in the world off the road for a decade.

ECONOMIST: Face value