tangent formula

In the direct method of crystal structure determination, one usually applies the symbolic addition method and multiple tangent-formula method.

应用直接法测定晶体结构，通常多半采用记号附加法与多解记号附加法进行。

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On the basis of constructing wrinkling model, it is calculated that the wrinkling critical tangent pressure formula in the process of drawing.

在建立皱曲模型的基础上，导出了拉深过程中的皱曲临界切向压应力的表达式。

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Inelastic yield load formula of axial compression middle long columns was deduced through the use of tangent modulus theory.

并用切线模量理论推导出计算钢管煤矸石混凝土轴压中长柱非弹性屈曲荷载的计算公式；

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As for the limit bearing capacity formula of the concrete filled steel tube long column subjected to axial compress, we lead to the tangent modulus and the conception of metal material.

在推导钢管混凝土轴心受压长柱临界承载力公式时，论文利用材料的切线模量，分别推导了钢材和混凝土的切线模量公式。

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At unstable state the formula of calculating unstable time using tangent angle is established.

对于失稳的情况，建立了用割线角估算失稳时间的一般公式。

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