权威例句
Nontraditional or New Traditional Exports: Ecuador's Flower BoomPOLARIZATION OF NEUTRONS FROM THE $sup 12$C(d,n)$sup 13$N REACTION FOR 2.0- TO 4.0-MeV DEUTERONS.Emerging financial markets in the global economy /Sunbelt/snowbelt :Econometric Problems in Analyzing the Mule in Southern AgricultureEscherichia coli and Salmonella: Cellular and molecular biology, 2nd editionSelenocysteine: the 21st amino acid.Synthesis of the H-cluster framework of iron-only hydrogenaseControl of periplasmic nitrate reductase gene expression (napEDABC) from Paracoccus pantotrophus in response to oxygen and carbon su...The Sources of Invention