“pirssonite”的概念、定义、翻译、参考文献-科学参考

单词	pirssonite
释义	pirssonite [`pirs·ǝn´īt] ^MINERALOGY Na₂Ca(CO₃)₂⋅2H₂O A colorless or white orthorhombic mineral composed of hydrous carbonate of sodium and calcium.
随便看	half-power beamwidth half-power frequency half-power point half-pulse-repetition-rate delay half-round file half section half set half-shade plate half-shift register half-side formulas half-silvered surface half space half step half-subtracter half tap half thickness half-through arch half tide half-tide basin half-tide level half-timbered half time halftone halftone characteristic halftone contact screen

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