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1·The aim is to ensure no net loss of tillable fields.

这项举措旨在防止耕地进一步流失。

2·And, with a rising population, more tillable land will be needed.

随着人口增加，耕地的需求量也将增大。

3·The scale of fertile soil projects shall be expanded, thus to enhance the quality of the tillable land.

扩大沃土工程实施规模，不断提高耕地质量。

4·The soil erosion types could been divided into two ones, agri-tillable soil erosion and barren tree soil erosion.

本区按土地利用不当引起的土壤侵蚀类型可划分成农用耕地侵蚀和裸地稀疏林地侵蚀。

5·I did the texture from an existing object: a wire wrapped around the main wire and then I straightened it up in Photoshop in order to make it tillable.

我从现实的物体中提取纹理：一段包裹着主线的线条，我将他在PS里拉直以便能用于贴图。