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汉语拼音：pén dì

四周高（山地或高原）中部低（平原或丘陵）的地区。如四川盆地。

1. 被山或高地围绕着的平地。如： 四川盆地 、 柴达木盆地 等。

• The basin favours the development of farming and animal husbandry.

  这个盆地有利于农业和畜牧业的发展.

• On the floor of the basins lie deserts, lakes and swamps.

  这几个盆地的底部有沙漠 、 湖泊和沼泽.

• The film begins with an aerial view of the Great Basin of Nevada.

  影片以空中鸟瞰内华达大盆地的镜头开始。

• Intermontane basins in relatively stable regions subjected to regional uplift.

  较稳定区域内的山间盆地,曾有过区域隆起.

• Marker beds generally diverge basinward on a regional scale.

  标志层通常区域性地向盆地方向展布.

• A thin, resistant limestone escarpment is present just basinward.

  薄层状的坚硬的石灰岩山崖正好位于靠盆地一侧.

• The difference accounts for the existence of continents and ocean basins.

  这种差别解释了大陆和海洋盆地存在的原因.

• The mountain barrier to the west of this Tarim Basin is high.

  塔里木盆地西边的山障是很高的.

• Alternatively, reefs may extend linearly across basins.

  此外, 礁可横穿盆地呈带状延伸.

• Many of the mountain, plateau, hilly and basin areas are unsuited for living.

  中国的不少山地 、 高原 、 丘陵和盆地是不适宜人居住的.

• The deposition of flysch onto the young floors of chiasmic basins is widely accepted as certain.

  复理石的沉积作用发育在裂陷盆地年青底板上的看法被广泛接受.

• In many sedimentary basins the salinity of the formation water increases with depth or compaction.

  在许多沉积盆地中,地层水的含盐量随深度或压实作用而增高.

• We should protect the basin with regard to water levels and water quality.

  我们应保护盆地以利水位与水质.

• Thick accumulations of peat can form only if the swamp basin slowly subsides.

  只有当沼泽盆地慢慢下陷时,厚厚的泥炭堆积才能形成.

• Subsurface temperature increases with burial depth might cause fluid expansion in most sedimentary basins.

  在大多数沉积盆地中,地下温度随埋藏深度增高可能引起流体的膨胀.