per unit area yield中文，per unit area yield的意思，per unit area yield翻译及用法

2026-04-13 23:58 浏览次数 15

per unit area yield

[pɚ ˈjunɪt ˈɛriə jild]

单产

per unit area yield 例句

英汉例句

  • at present, china's per unit area yield of grain is low compared with countries with high grain yields.

    到粮食高产国家的水平难度较大，但经过努力是完全可以缩小差距的。

  • and rise with the cost of material the per unit area yield level is lower with the problem of how to promote of quality safety of milk;

    及随着原料成本上升单产水平较低和牛奶质量安全如何提升的问题；

  • this thesis study one of important factor in per unit area yield travel speed measure device and his sensor choice and relevant error analysis of form especially.

    本论文重点是对单产的重要因素之一的行驶速度测量装置及其传感器形式的选择和相关误差分析进行了研究。

  • we must protect primary farmland, keep the area sown to grain stable, improve the structure of grain varieties grown and increase the per unit area yield of grain.

    要保护好基本农田，稳定粮食播种面积，优化粮食品种结构，着力提高粮食单产。

  • the accuracy of estimating per unit area yield mainly depends on the representative quality of the sample plot.

    使用抽样法估计单产的準确性，很大程度上取决于样本块的质量。

  • the per unit area yield of ginned cotton has increased by 15% over the last year.

    皮棉单位面积产量比去年增加了百分之十五。

  • on one hand, in recent 50 years there is a positive relationship between per unit area yield of main grain crops and cultivated land change of hilly area of central sichuan basin.

    一方面，近50年来该区主要粮食作物的单产与耕地面积变化有较大的正相关；

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