Diant迪昂DIAabbr.(美国)国防情报局（=Defense Intelligence Agency）diacetal of pentaerythritol季戍四醇双缩醛diagnosis of the status quo现状诊断Diaoyutai State Guest Housediagonlly dominant matrices对角占优矩阵diagnosis X-ray apparatus诊断X光机diazonium tetrafluoroborate四氟硼酸重氮盐Diadegma semiclausum Hellendiammonium hydrogen citrate柠檬酸氢二铵diarrhetic shellfish poison腹泻性贝毒diaminopimelic acid pathway二氨基庚二酸 途径