詞語：ppr
ppr的解釋
pprabbr. 現在分詞（present participle）
ppr的意思
ppr 正性光刻膠;Pulses per Revolution;脈衝發生器峰值比;無功功率表;pilsa ppr 皮爾薩;PPR morbillivirus 釋義：PPR麻疹病毒;PPR Proper 適當的,合適的;PPR virus 釋義：PPR病毒,小反芻動物瘟疫病毒;
ppr的參考例句
1.The influence of salt content and grain gradation on earth consistency limit was investigated by the projection pursuit regression(PPR). 運用投影尋蹤回歸分析法（PPR）研究含鹽量、顆粒級配對土的稠度界限的影響。
2.Distribution companies of various valves, electrical, plumbing accessories, boiler accessories, PPR pipe and all kinds of packaging machinery and lines. 我公司經銷各種閥門、電機、水暖配件、鍋爐配件、PPR管件及各種包裝機械及流水線。
3.And studies show that prestressed concrete beams with high PPR have good displacement restoring capacity, better ductility and seismic performance as a whole. 研究表明：高預應力度混凝土梁具有優良的變形恢復能力以及較好的位移延性，總體上抗震性能較好。