例句與造句

1. Using a sample of 149 listed companies , the paper makes an empirical study on the relationship the proportion of main operating profit , the variance coefficient of proportion of main operating profit and the variance coefficient of ratio of net earning to net asset . as a result , we find main operating profit is the most important factor affects the stability of profit
   在研究主營(yíng)業(yè)務(wù)貢獻(xiàn)與利潤(rùn)質(zhì)量的關(guān)系時(shí)，借鑒前人的研究成果，選取14個(gè)行業(yè)共149家上市公司為樣本，分行業(yè)的研究了主營(yíng)業(yè)務(wù)貢獻(xiàn)率、主營(yíng)業(yè)務(wù)貢獻(xiàn)率變異系數(shù)對(duì)凈資產(chǎn)收益率變異系數(shù)的影響程度。
2. It's difficult to find net earning in a sentence. 用net earning造句挺難的