人工珍珠

他们怎么会想到养殖人工珍珠的？

How did they pick up the idea of cultivating artificial pearls ?

真正的珍珠比人工珍珠贵得多。

Real pearls are more expensive than artificial ones .

镶有天然或人工养殖珍珠的耳环（不包括贵金属制）

Earring incorporating natural or cultured pearls ( excl. of precious metal )

直到19世纪末，人工培育珍珠的方法才在日本发明。

It wasn 't until the end of the 19th century that a technique for culturing pearls was invented in Japan .

珍珠层是软体动物硬壳中普遍发育的一种结构单元，对其进行深入研究可为人工培育珍珠及制造现代有机-无机复合材料提供科学依据。

Nacre is one of the general construction units of mollusk shells , Thoroughly studying on it can provide insight not only into the pearl-culture , but also into fabrication of advanced organic-inorganic composite materials .

各部位w（Cu）/w（Zn）均小于0.50，其中人工插核珍珠层的w（Cu）/w（Zn）特别小，为0.05。

The w ( Cu ) / w ( Zn ) of all are smaller than 0.50 and it is the smallest ( 0.05 ) in the manual nucleus inserted pearl layer .

珍珠色；杰出者；珍品天然珍珠比人工培养的珍珠贵得多。vt.投；

pearl The natural pearl is much more expensive than a cultured one .

您想看天然珍珠还是人工养殖的珍珠？

Would you like to see natural pearls or cultured pearls ?

本文用显微拉曼对三种珍珠（天然海水珍珠、人工养殖海水珍珠、人工养殖淡水珍珠）做了测试与分析。

Three kinds of pearl natural seawater pearl , farmed seawater pearl , and farmed fresh water pearl have been tested by the confocal micro Raman spectrometer .