改良的直接补体结合试验的英文

modified direct complement fixation test

• 改良:    improve; ameliorat ...
• 的:    4次方是 The fourth po ...
• 直接:    direct; immediate
• 补:    repair; mend; patc ...
• 体:    body; part of the ...
• 结合:    combine; unite; in ...
• 试验:    experiment; test; ...