lc无瑕级英文怎么写

1.LC用英语怎么说Letter of Credit
It is generally considered that Letters of Credit (otherwise known as "Documentary Credits") offer a good balance of security between the buyer and the seller, because both the buyer and seller rely upon the security of banks and the banking system to ensure that payment is received and goods are provided.一般认为 , 信用证是因为依靠安全的银行和银行体系 , 以确保付款和供货,为买方和卖方之间提供了一个很好的安全的平衡的付款方式。
2.完美 英文怎么写“完美”用英文是perfect 。
读音:
英 [?p?:f?kt; (for v.) p??fekt] 美 [?p?f?kt; (for v.) p??f?kt]
短语:
perfect oneself in 精通;熟练;完全掌握
perfect for 应用范围;对…是完美的
perfect harmony 水乳交融;完美无谐波;十分和谐
perfect market 完全市场
perfect man 完美无缺的人
perfect day 天气极好
例句:
1、His perfect performance killed the audience.
他完美的表演征服了所有的观众 。
2、The audience was knocked over by her perfect performance.
观众为她的完美演技深深感动了 。
3、He needs to perfect his spoken English before going to work in Canada.
他需要把英语口语学好才能到加拿大工作 。
3.请问:为什么钻石的级别有的是LC,有的是说FL,IF哪个是正确的LC属于已镶嵌钻石的国家标准(GB)净度划分,而FL,IF属于美国珠宝学院(GIA)净度划分.
都属于无暇级,即CL包含FL和IF.最高净度是LC级,而其中,FL又比IF净度高.FL的国际圆钻参考价格为8,000美元/克拉,IF的国际圆钻参考价格为7.600美元/克拉
LC:镜下无瑕,即在10倍放大镜下看不到钻石内外的瑕疵;
FL(Flawless)—在十倍放大镜下观察,没有任何内含物或缺隙 。
IF(Internally Flawless)—在十倍放大镜下观察,无内含物,只有小的缺隙 。
【lc无瑕级英文怎么写】

lc无瑕级英文怎么写

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