“ionogram”的概念、定义、翻译、参考文献-科学参考

单词	ionogram
释义	ionogram [ī`än·ǝ´gram] ^ENGINEERING A record produced by an ionosonde, that is, a graph of the virtual height of the ionosphere plotted against frequency.
随便看	hard ground Hardgrove grindability index Hardgrove number hard hat hardhead Hardinge feeder-weigher Hardinge mill Hardinge thickener hard iron hard lac hard-lac resin hard-laid hard landing hard lead hard-limiting hard magnetic material hardness hardness number hardness test hard pad hard palate hardpan hard paste porcelain hard patch hard porcelain

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