coherence是什么意思?1、chronological arrangement2、spatial arrangem

cohesion [kəu'hi:ʒən] n.凝聚；结合；内聚力
coherence [kəu'hiərəns] n.一致；连贯性；凝聚
These improvements mean that trade policy can in the future play a more substantial role in ensuring the coherence of global economic policymaking.
这些改进意味着贸易政策在未来保证全球经济决策一致性方面可以发挥更实质性的作用.
Build a professional and technical skills,strong cohesion and loyalty of staff ranks high.
打造一支专业技术精湛、凝聚力强、忠诚度高的员工队伍.

as是关系代词,用来引导非限制性定语从句,指代上文提到的或下文要提到的一句话,意思是“（前面提到的/后面提到的）这一点”或“正如（前面提到的/后面要提到的）”,如： The sun is hot, as everyone knows. 太阳非常热,这一点大家都知道 /正如大家都知道的,太阳非常热.【as 指代The sun is hot,在从句中作 know 的宾语】As you know, Rider has great influence there.. 正如你所知,李德在那儿有很大的影响力. 【as 指代 Rider has great influence there,在从句中作主语】.本句也是如此,As has been known 的 as 指代后面整个句子,在从句中做主语.As 可以换成主语从句——It has been known that increasing the coherence bandwidth can facilitate larger bandwidth system with faster data rate transmission and simplified system with reduced receiver complexity. 【it是形式宾语】参考译文：正如已经知道的那样,增加相关性带宽能够以更快速的数据频率传输来促进更大的带宽系统并以减少接收器复杂性来简化系统.

coherence 英[kəʊˈhɪərəns] 美[koˈhɪrəns, -ˈhɛr-] n. 一致性;相干性;凝聚;联接 [例句]The obama administration is certainly seeking suc...

cohesion 衔接,
coherence 连贯
衔接主要是强调外在段落的结合,而连贯强调内在意义的一致性.