Experimental investigations show that the semiempirical concavity calculation formulation given here are practical.

提出的计算凹度的半经验公式，经过实践考验证明具有一定的实用价值。

youdao

Experimental investigations show that the semiempirical concavity calculation formulation given here are practical.

提出的计算凹度的半经验公式，经过实践考验证明具有一定的实用价值。

youdao