例句與造句

1. This paper points out the limitations of the impact factor ( if ) in the evaluation of scitech periodicals so as to objectively recognize the evaluating function of if via analyzing their various restricting factors . meanwhile , it analyzes the current status of lower if and higher self - cited rate in the scitech periodicals of china and puts forward some suggestions for improving the if value
   通過對制約影響因子的各種因素進(jìn)行分析,提出其在科技期刊評價(jià)中的局限,以期客觀認(rèn)識影響因子的評價(jià)功能;并對目前國內(nèi)期刊影響因子較低、自引率較高的現(xiàn)狀進(jìn)行了剖析,同時(shí)提出一些針對性的建議和意見。
2. It's difficult to find self-citing in a sentence. 用self-citing造句挺難的