Objective The comparison of testing fecal occult blood by One step test and Benzidine test.

目的单克隆抗体一步法与联苯胺法测定粪便隐血的方法学比较。

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According to Gruber, that's just one step below "design verification test, " which is what that stolen iPhone 4 prototype was -- meaning the CDMA iPhone is apparently just two hops away from production.

ENGADGET: CDMA iPhone in engineering tests, may arrive in January, says John Gruber

One major step forward was taken last week on a motorway outside Barcelona - the first-ever test drive of a road train among other road users.

ENGADGET: Volvo's driverless road train in Spain is public mainly on the plain (video)