超音波法液位元元元元元元测定
ultra-sonic method of liquid meaduremert
科学次例程程序馆
scientific subroutine library
数学次例程程序馆
mathematical subroutine libraries
数值次例程程序馆
numerical subroutine library
层次基元结构
hierarchical primitive structure
巢套基元程序设计语言
nested primitive programming language
NPPL
FORTRAN可呼叫次例程
FORTRAN callable subroutine