economic efficiency further improved
为进一步提高收率 For Further Raised Yield 经济效益进一步提高 Economic Efficiency Further Improved 为进一步提高 To Further Improve ; To Make Further Improvement ..
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economic efficiency further improved
经济效益进一步提高
以上为机器翻译结果，长、整句建议使用 人工翻译 。