Numerical results show that GRACO method enjoys high precision and computing speed is 9 to 10 times faster than the Planar Elements method.
计算结果表明图形声学方法有较高的精度，计算速度比板块元方法快9 -10倍。
Numerical results show that GRACO method enjoys high precision and computing speed is 9 to 10 times faster than the Planar Elements method.
计算结果表明图形声学方法有较高的精度，计算速度比板块元方法快9 -10倍。
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