英汉例句

• by this approach, the stability of ecosystems can be evaluated, and the primary productivity of the ecosystems can be also estimated.

  同时，它已被用来评价生态系统的稳定性，或被用来估算生态系统的初始生产力。

• the results show that annual changes and seasonal distribution of precipitation led to the fluctuation of the primary productivity of the community;

  结果表明：降水量的年度变化及其季节分配直接导致了克氏针茅草原群落初级生产力的年度波动；

• results indicate that the primary productivity is an important indicator of hg methylation in reservoirs.

  以上研究表明，初级生产力水平是水库汞甲基化的重要影响因素。

• the distribution trends of the primary productivity were similar in the two surveys, which were high in the mouth of the bay and low in the middle and northwestern waters.

  两个调查航次初级生产力的分布趋势相似，均呈现湾口高，湾中部和湾西北部低的变化趋势。

• dongchuan is with the ideology of the science and technology according as the primary productivity that in equipment side, it has the special messenger to investigate for following the latest trend;

  东川以科技是第一生产力思想，在设备方面有专人研究，不断跟蹤最新潮流；

• the features of distribution and patterns of the variation of the primary productivity in this area were discussed in comparison with those in the northern coastal waters of china.

  文章对调查区初级生产力的分布特征及变化规律进行了探讨，并与北方沿海的初级生产力水平进行了比较。

• the primary productivity of benthic algae and phytoplankton in the gahai salt lake (qinghai-xizang plateau) was studied in summer, 1997.

  年夏季对青海尕海盐湖的生态系统进行了初步研究。

• according to the results, in general, the nutritional level of the waters is poor and the primary productivity is very low.

  监测结果表明该增养殖区水质总体上处于贫营养状态，初级生产力水平很低；

• the analysis by n/p ratio showed that n was a limited factor on the primary productivity in autumn and winter, but p was in spring and summer.

  通过n/p值分析，表明了n为该湾秋冬季节初级生产力的限制因子，而p则为该湾春夏季节初级生产力的限制因子。