four ss
四个学生
以上为机器翻译结果，长、整句建议使用 人工翻译 。
It's just because the risks associated with the four Ts are so apparent that we need to keep working on the four ss.
只不过现在和四个T有关的风险太明显了，所以我们需要在四个S上做文章。
youdao
SS is a main subroutine, transfering four branch subroutines, and complete design.
SS为主子程序，调用其它四个分子程序，实现整个设计过程。
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