“two-level subroutine”的概念、定义、翻译、参考文献-科学参考

单词	two-level subroutine
释义	two-level subroutine [`tü ¦lev·ǝl `sǝb·rü´tēn] ^{COMPUTER SCIENCE} A subroutine in which entry is made to a second, lower-level subroutine.
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