各部门必须统一统计口径,否则数据无法比较。Gè bùmén bìxū tǒngyī tǒngjì kǒujìng, fǒuzé shùjù wúfǎ bǐjiào.All departments must use the same statistical criteria; otherwise, the data cannot be compared.
这根水管的口径太小,水流不大。Zhè gēn shuǐguǎn de kǒujìng tài xiǎo, shuǐliú bú dà.The diameter of this water pipe is too small, so the water flow is weak.
两家公司的统计口径不同,所以数字对不上。Liǎng jiā gōngsī de tǒngjì kǒujìng bù tóng, suǒyǐ shùzì duì bú shàng.The two companies count by different criteria, so the figures do not match.