已经过协议的

After a long discussion we've come to an agreement on barter trade.

经过长时间的讨论，我们已在易货贸易方面达成了协议。

We can all see the way forward that has emerged from months of negotiations: decisive national action, an operational accord that internationalizes those commitments, assistance for nations that are the most vulnerable and least prepared to meet the effects of climate change, and standards of transparency that provide credibility to the entire process.

经过数月来的谈判，以下几方面已有目共睹，成为大势所趋：果断的国家行动、促使有关承诺国际化的切实可行的协议、为受到气候变化影响的最脆弱和最缺乏准备的国家提供援助，以及维护整体进程信誉的透明度标准。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。