本文对保护地次生盐渍土的特性、成因及防治措施进行了综合评述。

The cause, characteristics and some control methods of the secondary saline soil in greenhouse are reviewed in this article.

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通过在施工中探索，全面了解砾石土的特性，摸索出砾石土施工方法和经验。

The characteristics of gravelly soil are understood entirely and the construction method and experience are found out through construction.

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文章针对石灰稳定土的特性，提出了使石灰稳定土基层达到较高强度的措施。

This paper provides measures to make lime stabilized foundation reach a higher intensity according to characteristics of lime stabilized soil.

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