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nsf.gov - S&E Indicators 2014 - Chapter 5. Academic Research and Development - Outputs of S&E Resear

This biennial volume provides a broad base of quantitative information on the U.S. and international science and engineering enterprise. Supporting appendix tables are available in spreadsheet format. Accompanying SEI 2014 are the interactive Science and ...

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(翻攝自youtube) 老鼠體內寄生蟲以及傳染病: 鼠體外寄生蟲,如蚤、蜱、滿等; 鼠帶有病原體的排泄物或口水,污染水源或食物致病,或經空氣吸入 鼠咬傷人體所致 (如細菌性傷口發炎) 常見的鼠傳疾病 鼠疫 (plague) 鼠疫又叫「黑死病」,是一種可以致命的疫症,經受感染的黑鼠跳蚤咬人而傳播。...

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