The goal of this coding exercise is not necessarily to develop a highly optimized and rigorous math engine for PHP.
这个编码练习的目标不是一定要为PHP开发高度优化和严格的数学引擎。
The engine is truly different from other engines as it tries to provide direct answers to math and science problems.
该搜索引擎同其他引擎有着根本区别，因为它尝试对数学和科学问题提供直接答案。
Aim to raise the H-NE math model for designing engine radiators.
提出内燃机散热器设计的H - NE数学模型。
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