你可以通过十倍小型珠宝放大镜辨别此类加工过的钻石,如果使用双目显微镜会更加容易辨别。
You can often spot filled diamonds with a 10 power loupe, but using a binocular microscope is easier. In most states, it is against the law to sell you a treated diamond without first telling you.
要评价这颗钻石的等级,需要使用像太阳那么大的珠宝商专用放大镜。
You would need a jeweller's loupe the size of the Sun to grade this diamond.
每张通行证通常会配有一张图表,记录着钻石上微小的碳质瑕疵的位置,通过珠宝商特制的一种10x倍率的“放大镜”能看到这些瑕疵。
Each usually comes with a diagram, marking the position of the tiny specks of carbon that can be seen when viewed through a "loupe", the jeweller's 10x magnification tool.
列文虎克像珠宝商似地把放大镜按在眼睛上,观察自己的微生物甩动着长尾巴四处游动。
Pressing the glass to his eyelike a jeweler, Leeuwenhoek watched his own animalcules swim about, lashingtheir long tails.
列文虎克像珠宝商似地把放大镜按在眼睛上,观察自己的微生物甩动着长尾巴四处游动。
Pressing the glass to his eyelike a jeweler, Leeuwenhoek watched his own animalcules swim about, lashingtheir long tails.
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