To define the concept of self-help travel and the status quo analysis, the article further discussed the responsibility of self-tour to lay the basis of theories and facts.

通过对自助游的概念界定及现状分析，为文章进一步讨论自助游的责任问题奠定理论和事实基础。

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The method can improve the measurement precision and lay a sound basis for its application on the measurement of complex surfaces.

该方法对测量精度的提高较大，为其在复杂型面测量领域的应用打下良好基础。

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Biochemistry courses for four years I have been training in modern experimental techniques and lay a solid foundation for the biochemical basis of professional knowledge.

四年的生物化学课程让我得到了现代的实验技术训练并夯实了生化专业知识基础。

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America, the proponents of imperialism argued, would acquire an overseas empire of its own, and through careful administration and the defeat of backward, or "savage, " resistance movements, lay the basis for the spread of liberty and democracy throughout the world.

NPR: 'Folly of Empire' Offers Critique of U.S. Imperialism

These considerations lay at the heart of the decision (lest we forget, supported overwhelmingly and on a bipartisan basis at the time) to liberate Iraq in the first place, thus denying terrorists a sanctuary with vast oil resources, a strategic location and a technology base and industrial capacity affording access to weapons of mass destruction.

CENTERFORSECURITYPOLICY: Two messages for America