The revision of the Uniform Customs and Practice for Documentary Credits is the sixth revision of the rules．It is the fruit of more than three years of work by (1) ．UCP 600 applies to any (2) when the text of the credit expressly indicates that it is subject to these rules．They are binding on all parties thereto unless expressly modified or excluded by the credit． (3) means the bank that advises the credit at the request of the issuing bank． (4) means the bank that issues a credit at the request of an applicant or on its own behalf．Article 14 describes the standard for examination of documents．Under UCP 600，the (5) must be made out in the same currency as the L/C．B/L may now allow transshipment，provided that the entire carriage is coved by one and the same bill of lading．
A．Issuing bank
B．Advising bank
C．Confirming bank
D．Negotiating bank
，s2分别是样本均值和样本方差，E（X）=μ，D（X）=σ2，则有（）。
