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1·Soil Cu content primarily depend on its parent material.

土壤铜含量决定于母质类型。

2·Which the soil was made and is called the parent material.

下面的亚土壤是土壤起始形成的地方，称为母质。

3·The hardness of weldjoints is matched with that of the parent material.

焊接接头的硬度与母材匹配，平直度良好。

4·But the structure of purple soil parent material is loose and easy to efflorescent, anti-erodibility;

但紫色土成土母岩结构疏松，易风化，抗蚀性低；

5·These clay minerals mainly come from parent material, a few from pedogenic processes, and dust input is minute.

它们主要来源于母质，其次来自成土过程，降尘输入量极有限。

6·Mountainous area provides rich saccharoid for basin, which is important parent material of oasis soil formation.

山地为盆地提供了丰富的粒状物质，它们是绿洲土壤重要的成土母质；

7·Horizon C is relatively unweathered parent material form which the mineral components of the above layers are derived.

C 水平层是相对未风化的母质土，其它层的矿物都源于此。

8·This species is the high-tech biotechnology breeding of parent material to compound hybrid integrated trait more outstanding.

本品种是采用高科技生物技术选育的亲本材料配制的杂交种，综合性状更为突出。

9·Under the same parent material condition, urease activity was significantly correlated with forming time and maturity of soil.

在母质相同的情况下，脲酶活性高低又与成土时间的长短和土壤熟化程度呈正相关。

10·Parent material of Suining group is easy eroded, and the erosion material is of poor cohesion and structure and even easier being eroded by runoff.

遂宁组母质易风化，风化后的碎屑黏聚力弱、结构力差，易遭受径流侵蚀。

母质

1·Which the soil was made and is called the parent material.

下面的亚土壤是土壤起始形成的地方，称为母质。