1) Don't change horses in mid-stream
河中勿换骑;临阵换将非上策
2) Never swap horses while crossing the stream.
过河勿换马;临阵勿换将。
3) HAN: gentleman of the interior serving as cavalry commander
郎中骑将
4) Never swap (or swop) horses while crossing the stream
骑渡中流莫换马
5) noncommuting matrixes
非交换矩阵
1.
Define a joint Spectrum of noncommuting matrixes by Curto operator,and discussed the relation ship between the joint spectrum and Xia′s joint spectrum.
利用 Curto 算子定义了多个非交换矩阵的联合谱,并讨论了它与夏道行联合谱的关系。
补充资料:郎中
郎中
郎中 古代南方对医生的称谓,郎中作为医生的称呼始自宋代。宋以前,对医生的称呼较为复杂,一般根据其专科进行称呼,如食医、疾医、金疮医等。宋代始,南方习惯称医生为郎中,北方则称医生为大夫。相沿至今。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条