The molecular cytogenetics and disease resistance of addition line H20 and substitutionline H1 from wheat-P.
对小麦-华山新麦草附加系H20和代换系H1的抗病性及分子细胞遗传学进行了研究。
2
Command substitution is used at the command line, but more frequently in scripting; you will learn more about it and scripting in later articles of this series.
可以在命令行上使用命令替换，但在脚本中使用它则更常见；您将在本系列的后续文章中更多地了解它和脚本。
3
The fourth line is particularly troubling because not only is the apostrophe missing but so is the substitution parameter.