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主成分分析(Principal Component Analysis,PCA)是一种统计方法。通过正交变换将一组可能存在相
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The President gave the Secretary of State 30 days_________the report.
A.completes
B.to complete
C.completing
D.completed
Which of the following does the author not express surprise at?
A.The children needed competitions to them.
B.The buffalo chips gave off no smell.
C.Buffalo chips were the answer to the settlers fuel problem.
D.Young men took bags of buffalo chips to their girl friends.
Usually the borrowing firm of term loans promises to repay ______.
A.the principal and interest until the end of the loan period
B.the principal and interest at the end of the loan period
C.the loan in a series of installments
D.at any time when cash is more abundant ______.
Management by Objectives (MBO)
A . is a method used to evaluate personnel by objectively comparing them to common performance standards
B . requires a supervisor and a subordinate to jointly establish performance objectives
C . should be the responsibility of the organization's personnel department
D . should always involve the establishment of objectives that are quantifiable
E . B and D
安全文化评价方法包括()
A)因重构分析方法
B)主成分分析方法
C)目标分层法
D)统计分析法
E)德尔菲法