What you don't hear about as much is the version that comes before the beta: the alpha version.
您不太了解的是 Beta 之前的版本：Alpha 版本。
Alpha version
原声例句
科技 Crash Course
中文百科
软件版本周期 Software release life cycle
（重定向自Alpha version）
软件版本周期是指电脑软件的发展及发行过程，如右图，从Pre-alpha（准预览版本）发展到Alpha（预览版本）、Beta（测试版本）、Released candidate （最终测试版本）至最后的Gold（完成版）。
英语百科
Software release life cycle 软件版本周期
（重定向自Alpha version）
A software release life cycle is the sum of the stages of development and maturity for a piece of computer software: ranging from its initial development to its eventual release, and including updated versions of the released version to help improve software or fix bugs still present in the software.
- deletion list的意思
- deletion loop的意思
- Deletion mapping的意思
- deletion mark的意思
- deletion method的意思
- deletion model的意思
- deletion mutagenesis的意思
- deletion mutant的意思
- deletion mutantion的意思
- Deletion mutation的意思
- deletion of exclusion的意思
- deletion of independent variable的意思
- deletion of items的意思
- Deletion of long arm的意思
- deletion of node的意思
- Deletion of short arm的意思
- Deletion of Short Arm of Chromosome 5 Syndrome的意思
- deletion of stack的意思
- deletion of the short arm of chromosome 18的意思
- deletion operator的意思
- deletion record的意思
- Deletion Registration of Ownership of Ship的意思
- deletion的意思
- Deletions,Chromosome的意思
- Deletions,Clonal的意思