Since parking Spaces are hard to find, there is often no alternative to walking.
因为停车位很难找,所以通常情况下除了走路没有其余的选择。
Thus , the optimization design of the retaining and protecting system is the procedure of alternative searching between these two spaces.
基坑支护优化设计就是对方案空间和细部结构空间进行交替搜索的过程。
Then, a theorem of the alternative for generalized subconvexlike set valued maps in real linear spaces is established.
然后,在实线性空间中建立了一个广义次似凸集值映射的择一性定理。
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