简单理解，L3车辆，把车拆了还可以再拼出一台车辆。重要零部件都是多冗余设计。之所以如此，主要是为了合规，让出事概率降低，但成本也一定会水涨船高，遇到特殊情况，也依然需要有人类接管。
It’s also worth noting that even if alternatives superior to agar were found, scientists are reluctant to abandon established protocols (even when microbiologists do use other jellies, they often still add agar to the mix, for example, to increase the gel strength of the solid media). As agar has been the standard gelling agent in microbiology for around 150 years, an enormous infrastructure of standardized methods, reference values, and quality control procedures has emerged around its specific properties. Switching to a different medium (even a superior one) means results may not be directly comparable to decades of published literature or to other laboratories’ findings.，详情可参考im钱包官方下载
5AD LD_DESCRIPTOR LCALL ; same subroutine，这一点在搜狗输入法下载中也有详细论述
Платон Щукин (Редактор отдела «Экономика»)