养殖珍珠

But the accustomed fair barter burst in the 1930s, in the face of antagonism from cheaper able chaplet from Japan.

但是来自日本的较便宜的养殖珍珠的冲击下，自然珍珠贸易在二十世纪三十年代陷入低谷。

Pearl rings, especially cultured pearl rings, are beautiful gifts that can be cherished for generations.

珍珠戒指，特别是养殖珍珠戒指，是美丽的礼物，可以珍惜几代人。

Solid Cultured Pearl Bracelet : This is usually considered the "classic" Pearl bracelet.

固体养殖珍珠手链：这是通常被认为是"经典"珍珠手链。

The high specific gravity of a raw pearl made of crystal gives the Swarovski Crystal Pearl the same weight as a cultured pearl.

高比重的原料珍珠水晶制成的施华洛世奇水晶给予同等重量的珍珠为养殖珍珠。

Flower Cup side, told reporters that she was the first village one of Cultured Pearls. In 1998, she see a good cultured pearl effective on the contract of 40 acres with pond raised.

方赛花告诉记者，她是村里最早养殖珍珠的人之一。1998年，她见养殖珍珠效益不错，就承包了40多亩池塘养了起来。

Is a professional cultured pearl jewelry wholesaler from China, we offer the wholesale pearl nacklace, earrings, pearl bracelets, pendants and rings.

cnepearls养殖珍珠饰品有限公司是一家专业批发来自中国，我们给予nacklace批发珍珠、耳环、珍珠手链、戒指、吊坠。

A necklace made from cultured pearls will be of higher quality and more durable if the layers of nacre on the pearl are thick.

从养殖珍珠组成的项链将具有较高的质量和更持久的，如果对珍珠的珍珠层厚度。

Sold as a natural freshwater pearls cultured pearls; shell carving, material for the natural freshwater / sea shells; fittings and shellfish shell handicrafts, stone carving shadow carving, pearl jewelry, according to customer demand for design, proofing, and processing services.

所售珍珠为天然淡水养殖珍珠；贝壳雕刻，材质为天然淡水／海水贝壳；贝壳配件和贝壳工艺品，石雕影雕，珍珠首饰，可按客户需求，提供设计，打样，加工服务。

Characteristics of cultured pearls and treated pearls are studied by cathode luminescence microscope.

通过阴极发光仪对养殖珍珠和处理养殖珍珠的阴极发光特征进行了研究，结果表明：在阴极射线激发下，淡水养殖和处理珍珠发黄绿或绿色光，而各色海水养殖和处理珍珠不发光；阴极显微观察可见部分处理珍珠层的表面微破损。

The characteristic cathode luminescence is one of the peculiarities to distinguish freshwater cultured pearls, seawater cultured pearls and treated pearls.

阴极发光特征可作为无损鉴别海水、淡水养殖珍珠以及处理养殖珍珠的主要依据之一。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。