In more and more countries, women started having fewer children than the number required to keep populations stable.
在越来越多的国家里，妇女的生育数目减少，已无法保持人口稳定。
Taking living organisms away from their habitats should only be done for a clear and specific purpose. Collect the minimum number required.
必须在有真正需要的情况下，方可把生物带走，而且只可带走最少的数量。
The dynamic strength curve indicates that there is basically a linear relationship between the cyclic stress ratio and the logarithm of the cyclic number required at failure.
动强度曲线显示循环应力比与循环剪切破坏次数的对数基本呈直线关系。
The experimental results show that both the iteration number and the scheme analysis number required by SA are much greater than GA, while the optimal result of SA is better than that of GA.
实验结果表明SA达到收敛所需迭代次数及方案分析次数远较GA为多，但其优化结果要好于GA。
The experimental results show that both the iteration number and the scheme analysis number required by SA are much greater than GA, while the optimal result of SA is better than that of GA.
实验结果表明SA达到收敛所需迭代次数及方案分析次数远较GA为多，但其优化结果要好于GA。
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