“cardinal point”的概念、定义、翻译、参考文献-科学参考

单词	cardinal point
释义	cardinal point [`kärd·nǝl ¦pȯint] ^GEODESY Any of the four principal directions: north, east, south, or west of a compass. ^OPTICS Any one of six points in an optical system, namely, the two principal points, two nodal points, and two focal points. Also known as Gauss point.
随便看	cell frequency cell inclusion cell lineage cell-lineage mutant cell-mediated immunity cell membrane cell movement cellobiase cellobiose celloidin cellophane cellose cellosolve cell pathology cell permeability cell plate cell recognition cell sap cells of Paneth cell-surface differentiation cell-surface ionization cell theory cell-type tube cellular cellular affinity

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