此外，本课题对于改善我国联合收割机性能，促进产品的更新换代，以及新型脱粒装置的研制和开发具有很好的理论意义和实用价值。

On the same time, this study has great theoretical significance and practical value to improving the performance of the combine, promoting replace of products and developing the new threshing unit.

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公司与有关专家及科研单位联合，在产品的研制开发中确立了良好的合作关系和取得了可喜的成绩。

The company also established good cooperation relationship with many experts and science research units and got good results when develop new products with them together.

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这是几个科研，工业和环境机构联合研制出的新产品。

This is the product of work of several scientific, industrial and environmental agencies.

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