银粒
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(银(yín )粒(lì ),银(yín )粒(lì ))
照(zhào )片(piàn )或(huò )底(dǐ )片(piàn )上(shàng )的(de )黑(hēi )白(bái )影(yǐng )像(xiàng ),是(shì )乳(rǔ )剂(jì )层(céng )中(zhōng )卤(lǔ )化(huà )银(yín )晶(jīng )体(tǐ )感(gǎn )光(guāng )后(hòu )经(jīng )过(guò )显(xiǎn )影(yǐng )还(hái )原(yuán )成(chéng )微(wēi )小(xiǎo )的(de )银(yín )的(de )颗(kē )粒(lì )组(zǔ )成(chéng )。这(zhè )些(xiē )微(wēi )小(xiǎo )的(de )银(yín )的(de )颗(kē )粒(lì )称(chēng )为(wéi )银(yín )粒(lì )。银(yín )粒(lì )的(de )粗(cū )细(xì )对(duì )影(yǐng )像(xiàng )的(de )质(zhì )量(liàng )有(yǒu )很(hěn )大(dà )影(yǐng )响(xiǎng )。其(qí )他(tā )条(tiáo )件(jiàn )相(xiàng )同(tóng )时(shí ),银(yín )粒(lì )细(xì )的(de )影(yǐng )像(xiàng )比(bǐ )较(jiào )清(qīng )晰(xī ),影(yǐng )纹(wén )也(yě )较(jiào )丰(fēng )富(fù )。影(yǐng )像(xiàng )银(yín )粒(lì )的(de )粗(cū )细(xì ),主(zhǔ )要(yào )决(jué )定(dìng )于(yú )感(gǎn )光(guāng )材(cái )料(liào )本(běn )身(shēn )的(de )性(xìng )能(néng )及(jí )冲(chōng )洗(xǐ )条(tiáo )件(jiàn )。
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