“first quadrant”的概念、定义、翻译、参考文献-科学参考

单词	first quadrant
释义	first quadrant [¦fǝrst `kwäd·rǝnt] ^MATHEMATICS 1. The range of angles from 0 to 90°. 2. In a plane with a system of cartesian coordinates, the region in which the x and y coordinates are both positive.
随便看	agricultural pipe drain agricultural robot agricultural science agricultural wastes agriculture Agriochoeridae agrioecology Agrionidae Agrobacterium agroecosystem agroenvironment agroforestry Agromyzidae agronomy agrophilous agrostology agrotechnology aguilarite Agulhas Current AGV agyiophobia Ah aH ahaptoglobinemia Aharonov-Bohm effect

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