查询词典 per compound

coutrary: EX:parable：(比喻,寓言):para+ble:抛向旁边

20:para:beside,beyond,against,coutrary: EX:parable(比喻,寓言):para+ble:抛向旁边 | 21:per:thourgh,awya: EX:peramulate(巡逻)per+amulate | 22:post:after,behind: EX:postbellum:战后的:post+bell+um

parts per million：百万分率

ppm或ppb: 这分别是百万分率(parts per million)及十亿分率(parts per billion)的缩写;这些单位常被用来表述温室气体含量. 举例,自前工业革命年代起,大气层二氧化碳含量已由270 ppm增加至370 ppm.

PPM Parts Per Million：不良率

99.R.T. Rolled throughout yield直通率 | 100. PPM: Parts per million 不良率 | 101.DPU: Defects per unit 单位不良率

parts per million concentration：浓度

PPH浓度 parts per hundred concentration | ppm浓度 parts per million concentration | 安全范围 safety range

pd paid：已付

pcl. parcel 包裹 | pd paid 已付 | per pro. per procurationem (拉丁)由...代理

penalty area：罚球区

penalty area罚球区 | 80.per 按照,经,由 | 81.per cent 百分之几

pentad criterion：五相关组准则

Peek不等式 Peek's inequality | 五相关组准则 pentad criterion | 平均每人国民所得 per capita national income (per capita NI )

pentagonal prism：五棱鏡

半島 Peninsula | 五棱鏡 Pentagonal prism | 每人每日 Per capita per day

WESTBANK per capita GDP：人均国内生产总值

绕规模贷款 WESTBANK circumvent credit ceiling | 人均国内生产总值 WESTBANK per capita GDP | 人均收入 WESTBANK per capita income

net per capita income：人均纯收入

per capita disposable income 人均可支配收入 | net per capita income 人均纯收入 | the central government's public investment 中央政府公共投资

steel,hypoeutectoid：亚共析钢

"steel,hypereutectoid","过共析钢" | "steel,hypoeutectoid","亚共析钢" | "steel ingot","钢锭"

midpoint tap：中心抽头=>中间抽头

midpoint rule 中点法则 | midpoint tap 中心抽头=>中间抽头 | midrange lateral acceleration handling maneuver 中等横向加速转向运动