The World Almanac & Book of FactsNewspaper Enterprise Association, 1949 |
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第 1 到 3 筆結果,共 89 筆
第 301 頁
... Source : Tele - Tech ( Caldwell - Clements , Inc. , New York ) " Frequency modulation " ( FM ) , an improved system of broadcasting now being introduced , has as its outstanding advantages ( 1 ) the elimination of practically all static ...
... Source : Tele - Tech ( Caldwell - Clements , Inc. , New York ) " Frequency modulation " ( FM ) , an improved system of broadcasting now being introduced , has as its outstanding advantages ( 1 ) the elimination of practically all static ...
第 374 頁
... ( Source National League of Nursing Education ) , 1,300 U. S. Service Schools , academies 3 , nursing schools 3 . School Enrollment of the Civilian Population Source : Bureau of the Census ; data are of October , 1947 Age and veteran ...
... ( Source National League of Nursing Education ) , 1,300 U. S. Service Schools , academies 3 , nursing schools 3 . School Enrollment of the Civilian Population Source : Bureau of the Census ; data are of October , 1947 Age and veteran ...
第 576 頁
... source of the St. Lawrence River is in the State of Minnesota . The St. Lawrence is viewed as a part of the Great Lakes Waterway and its source is considered the head of the St. Lou River which feeds into Lake Superior . The St. Louis ...
... source of the St. Lawrence River is in the State of Minnesota . The St. Lawrence is viewed as a part of the Great Lakes Waterway and its source is considered the head of the St. Lou River which feeds into Lake Superior . The St. Louis ...
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