名词
中文翻译：等效截面半径
同义词：
['equivalent cross-sectional radius', 'equivalent sectional radius']
例句：
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1.The design of the bridge is crucial for its stability and safety.
桥梁的设计对于其稳定性和安全性至关重要。
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2. The engineer used a computer program to calculate the equivalent sectional radius.
工程师使用计算机程序来计算等效截面半径。
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3.The researcher found that the equivalent sectional radius had a significant impact on the performance of the machine.
研究者发现，等效截面半径对机器的性能有显著影响。