他们把录像交给黄伟凯，黄将它们删选，剪辑和拼接成了一部一小时的作品。
They made their footage available to Mr. Huang, who then chose, edited and ordered the sequences he wanted down to just under an hour.
“对于我来说纪录片，故事片和实验电影之间的界限是很模糊的，”38岁的黄伟凯说，他在转向电影之前是一位山水画家。
"The borders between documentary, fictional and experimental films are very blurred for me," said Huang Weikai, 38, who trained as a landscape painter before turning to cinema.
方法用改进后的国产新伟凯公司丙肝试剂（XWK）和两种国外第三代主流试剂（A3，O3）检测了2 882份供血员血样和556份各种肝炎病人血样。
Methods 2 882 Chinese blood donors and 556 Chinese hepatitis patient sera were tested with the improved Chinese anti-HCV EIA kit (XWK) and two foreign third-generation anti-HCV EIA kits (A3, O3).
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