He was able to bring large sterile acreages back to fertility.

他能把大片不毛之地变回沃土。

Enormous acreages of soy beans are grown in the United States.

在美国种植有大面积的大豆。

Large acreages have been planted to oil crops.

大面积土地已种上油料作物。

The effective acreages of two gratings are adjusted to keep the energy proportion of two lines under the 1:1.

在实验中我们通过调节两光栅的有效使用面积，将两谱线的能量比例控制在1∶1左右。

Zoos began establishing "survival centers" on vast acreages in Virginia's Blue Ridge Mountains, coastal North Carolina, and elsewhere, and stocking them with African fauna.

动物园着手在佛吉尼亚州的蓝岭山脉(Blue Ridge Mountains)、北卡罗来纳州海岸等地建立起幅员辽阔的“生存中心”，在此储备非洲动物种群。