The paper introduces the breeding methods of the homozygous two-type line, temporary maintainer line and complete sterile line with a recessive epistasis nuclear male sterile.
对甘蓝型油菜隐性上位细胞核雄性不育纯合两型系、临保系和全不育系的转育方法进行了介绍。
I can type a one or two line message in less than half an hour.
我能在不到半小时内打出一到两行消息。
For example, creating alias ll 'ls -hlt' reduces a commonly used command line to just two letters-less to type and less to remember.
例如，命令alias ll ' ls - hlt '将一个常用的命令行缩减为两个字母，从而使要输入和要记住的东西变得更少。
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