例句與造句

1. using many related documents for reference, the article selects 10 types of the county region's economic development, which belongs to 8 categories in ningxia hui autonomous region, and utilizes quantity and graph method to analyze the types of economic development level in 17 counties, which can be classified into advanced type, medium type and backward type
   摘要在借鑒大量文獻(xiàn)的基礎(chǔ)上，選取寧夏回族自治區(qū)縣域經(jīng)濟(jì)發(fā)展的8類10項(xiàng)指標(biāo)，并運(yùn)用量圖分析方法對(duì)寧夏區(qū)內(nèi)17個(gè)縣市經(jīng)濟(jì)發(fā)展水平進(jìn)行類型分析，排序?yàn)橄冗M(jìn)、中等和落后三種類型。
2. It's difficult to find backward type in a sentence. 用backward type造句挺難的