典型案例五：高新区玉华园二标段
It is difficult to know exactly when the shift from gelatine to agar occurred. As often happens for scientific breakthroughs, agar was likely adopted incrementally alongside the use of other growth media. In 1913, for example, the first diagnosis of Serratia marcescens as a human pathogen was made by growing it on agar as well as on potatoes.，更多细节参见搜狗输入法下载
primary measure against theft by insiders was that the theft would be discovered,。服务器推荐对此有专业解读
to the design of the checks that we use today: preprinted slips with account，推荐阅读夫子获取更多信息