“heliograph”的概念、定义、翻译、参考文献-科学参考

单词	heliograph
释义	heliograph [`hē·lē·ǝ´graf] ^{COMMUNICATIONS} An instrument for sending telegraphic messages by reflecting the sun's rays from a mirror. ^ENGINEERING An instrument that records the duration of sunshine and gives a qualitative measure of its amount by action of sun's rays on blueprint paper.
随便看	1,4-dithiothreitol 1,4-naphthoquinone 1,5-cyclooctadiene 1,5-pentanediol 1,6-hexanediol 1,8-dihydroxyanthraquinone 1-\\(1-naphthyl\\)-2-thiourea 1-amino-2-naphthol-4-sulfonic acid 1-aminoanthraquinone 1-bromonaphthalene 1-bromooctane 1-caprylene 1-chloro-2,4-dinitrobenzene 1-chloronaphthalene 1-docosanol 1-dodecene 1-ethyl-3-hydroxypiperidine 1-ethyl-3-piperidinol 1-fluoro-2,4-dinitrobenzene 1-heptanol 1-hexadecene 1-hexene 1-hexyne 1-naphthalenesulfonic acid 1-naphthylacetic acid

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