理学 系统兼容性 释 upward compatibility 向上兼容 为新版本软硬件环境所创建的程序能够在旧版本软硬件环境中运行，或者新版本程序产生的数据和文档能够被旧版本程序使用。又称向前兼容（forward compatibility）。
软件工程 释文 upward compatibility 向上兼容 软件工程 释文 upward compatibility 向上兼容
- plan for national economic development
- Plan for the Popularization of Senior High School Education (2017-2020)
- Plan General de Ordenación de Madrid
- P. Langevin
- P. Langevin, 1872—1946
- planiform
- planigon
- planigraphy
- planimegraph
- planimeter
- planimetering
- planimetric
- planimetrical
- planimetry
- planing of urban fire control
- planisphere
- planispheric astrolabe
- planitia
- Planitia Descensus
- planitron
- planizer
- plank
- Plank function
- Plank Road Remains at Sanmenxia
- Plank's law