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一、关于“文摘杂志”一节的补充 1.《化学文摘》(简称CA)已在第1—3讲中介绍。 2·《摄影文摘》(《Photographic Abs-tracts》,简称PA) 这是一种专业性的文摘杂志,英国皇家
First, on the “Digest Magazine” section 1. Chemical Abstracts (referred to as CA) has been introduced in 1-3. Photographic Abs-tracts (PA) This is a professional Digest magazine, the Royal British