Notes with “U” (French) or “P” (Dutch) prefix were also fine, but those with a “Y” or an “S”, issued by Greece and Italy, were shunned.
前缀为U（法国）或者P（荷兰）的钞票也可以，但是那些前缀为Y或者S，分别是在希腊和意大利发行的钞票则是要极力避免的。
On average, in those years, S&P 500 earnings declined 18.3% y-o-y.
这5年中标普500指数每股收益平均同比下降18.3%。
This actually I think derives from a Greek word, "Synkope, " S-y-n-k-o-p-e, synkope.
这个术语我觉得来源于希腊语,Synkope,S-y-n-k-o-p-e
Hu W. -l., Chen S. -y., Wang H. -p. Template synthesis based on bacterial cellulose.
胡伟立，陈仕艳，王华平细菌纤维素模板合成研究进展。
Transmission characteristics of Y type S type and "-" type SAW mass sensors are derived by P matrix representation.
应用P矩阵法推导了Y型、S型及“一”字型双声路声表面波质量传感器件的传输特性；
Notes with "u" (French) or "p" (Dutch) prefix were also fine, but those with a "y" or an "s", issued by Greece and Italy, were shunned.
前缀为U(法国)或者p(荷兰)的钞票也可以，但是那些前缀为Y或者S，分别是在希腊和意大利发行的钞票则是要极力避免的。
LIU Y S, HAN P L. Development of laser additive manufacturing with metallic material and its application in aviation engines[J]. Aeronautical Manufacturing Technology, 2014, (1):62-67.
[5] 刘业胜，韩品连。金属材料激光增材制造技术及在航空发动机上的应用[J]。航空制造技术， 2014， （1）：62-67。
LIU Y S, HAN P L. Development of laser additive manufacturing with metallic material and its application in aviation engines[J]. Aeronautical Manufacturing Technology, 2014, (1):62-67.
[5] 刘业胜，韩品连。金属材料激光增材制造技术及在航空发动机上的应用[J]。航空制造技术， 2014， （1）：62-67。
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