但是，布伦·伯格和艾特用于检测血液中乙肝表面抗原的凝胶扩散技术在精确的血液筛查中不够灵敏。

But the gel diffusion technique that Blumberg and Alter used to detect HBsAg in blood was not sufficiently sensitive for accurate blood screening.

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但是，布伦·伯格和艾特用于检测血液中乙肝表面抗原的凝胶扩散技术在精确的血液筛查中不够灵敏。

But the gel diffusion technique that Blumberg and Alter used to detect HBsAg in blood was not sufficiently sensitive for accurate blood screening.

youdao