After exploring the area around Shirley's burg, John and his sons rode over Sandy Ridge to survey the property below Black Log Mountain. It was here in a long narrow valley they decided to settle.
在探究了歇里斯·伯格周围的地区之后，约翰和他的儿子们翻过桑迪山脉，在布莱克拉格山下面勘察了土地，他们决定就在这条狭长的山谷里定居下来。
This paper deals with the variance property of combining ridge and principal components estimate in the class of reduced-dimension estimates.
讨论岭型主成分估计在一类降维估计中的方差性质，证明了它的方差和在这类降维估计中最小。
The property of combining ridge and principal components estimate is studied in the ridged class of reduced-dimension estimators.
研究岭型主成分估计在岭型降维估计类中的性质。
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