Yinkeng area is an ore concentration area of gold, silver, copper, lead zinc, manganese in east Jiangxi.

江西于都银坑地区是赣南东部的金银铜铅锌锰等矿集区。

youdao

Middle north margin of North China platform is important concentration area of gold mineralization in China.

华北地台北缘中段是我国重要的金矿化集中区。

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In addition to the eight core courses, students should take five courses of International Business concentration area.

除八科核心科目外，学生须完成国际贸易方向的五个主修专业。

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We have 150-160 people working in that area, which is probably the largest private concentration in that area outside IBM and Google.

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But, chiefly, the Admiral extolled the might of naval gunfire, whose concentration on the landing area, he said, gesturing heavenward with his meerschaum, would be the heaviest ever to support American troops.

NEWYORKER: Rat Beach

New handsets are another area of concentration.

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