“F1 layer”的概念、定义、翻译、参考文献-科学参考

单词	F1 layer
释义	F1 layer (F₁ layer) [¦ef `wǝn ´lā·ǝr] ^GEOPHYSICS The ionosphere layer beneath the F₂ layer during the day, at a virtual height of 120-180 miles (200-300 kilometers), being closest to earth around noon; characterized by a distinct maximum of free- electron density, except at high latitudes during winter, when the layer is not detectable.
随便看	isotopic age determination isotopic carrier isotopic chronometer isotopic element isotopic enrichment isotopic exchange isotopic incoherence isotopic indicator isotopic irradiation isotopic label isotopic molecule isotopic number isotopic parity isotopic spin isotopic tracer isotron isotropic isotropic antenna isotropic dielectric isotropic fabric isotropic fluid isotropic flux isotropic gain of an antenna isotropic material isotropic noise

科学参考收录了103327条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。