我国高等级公路边坡防护的研究起步较晚，至今仍处于不断完善和改进当中。
Our study of highway slope protection start late and still is constantly refining and improving.
同时，我们不断完善和改进自身工作方式，组织机构以及各项规章，协会各项工作有条不紊。
Meanwhile, we constantly improve our working methods, better the regulations and organizations. And all the work is in an orderly manner.
随着化学分离和鉴定技术的不断完善，使得可以通过调整使用啤酒花的不同种类和数量来改进啤酒质量。
With the perfect of chemical separation and judging techniques, the complexities of hops were revealed, leading to intensive understanding and proper control of hops contribution to beer quality.
随着化学分离和鉴定技术的不断完善，使得可以通过调整使用啤酒花的不同种类和数量来改进啤酒质量。
With the perfect of chemical separation and judging techniques, the complexities of hops were revealed, leading to intensive understanding and proper control of hops contribution to beer quality.
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