给出了直角多边形模块自由度的定义和公式，扩展了最小自由度优先原则，使算法能够处理任意直角多边形模块以及有相对约束的模块。
The definition and formula of flexibility of arbitrary rectilinear blocks are introduced and LFF principles are extended to handle arbitrary rectilinear blocks and blocks with relative constraints.
中国当前作为基准的一年期贷款利率是6.31%，比预期通胀率约高一个百分点，这被认为是对银行贷款活动一种相对温和的约束。
China's current benchmark one-year lending rate is 6.31%, about one percentage point higher than expected inflation, which is considered a relatively modest constraint to lending.
前者简单并且相对容易，但是如果从各地进行访问，仍有网络方面的潜在约束。
The former is simple and relatively easy, but there is still a potential constraint of network latency, especially if accessed across the globe.
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