The Zhongdian porphyry copper deposit is likely to become an important base area in copper-polymetallic resources of China. The exploration work is very promising.

中甸斑岩铜矿将成为中国又一重要的斑岩铜(多金属)矿矿产地，具有极好的找矿前景。

youdao

The third indispensable condition for establishing a base area is the use of all our strength, including our armed forces, to arouse the masses for struggle against Japan.

和建立根据地不可分离的第三个条件，就是用一切力量，包括武装部队的力量在内，去发动民众的抗日斗争。

youdao

The enemy was afraid to advance into our base area.

敌人不敢进入我们根据地。

youdao

"Well we are talking approximately about 99 square miles, and its sovereign base area which is land which is effectively governed by the UK and has an on-island administration that acts on behalf of the Queen in managing and governing that land,".

VOA: standard.2009.11.11

The two astronauts explored an area that they called Tranquility Base. Lack of space in their lunar spacecraft,the Eagle, forced them to leave equipment on the surface.

VOA: special.2010.03.02

closing an air field in a populated area and building a new one on an existing U.S.base in the northern part of the island.

VOA: standard.2009.10.20

Last month Tokyo applied to Governor Nakaima for a permit to begin landfill in the new base area.

FORBES: As Japan Commemorates A Postwar Return To Sovereignty Okinawans Lament A Day Of Shame

Eschewing the glitz of many modern resorts, the base area is about basics.

WSJ: Experiencing Kristen Ulmer's Ski to Live

There are only a few restaurants in the Big Sky base area and just one at Moonlight Basin: Others require a 15-minute drive or longer.

CNN: Taking the kids: On an old-fashioned Montana ski trip