The establishment of approximative mathematical model and approximative calculation are presented.

建立了近似数学模型和介绍了近似计算方法。

www.magsci.org

The approximative linearization to factors, simplifying analysis process indeed, lead to the result that would possibly differ from the real fact.

这些因素的近似线性化虽然简化了分析过程，但所得结果可能与工程实际偏离较大。

dx.doi.org

Approximative analytical expressions are derived for the dispersion relations, the resonance frequencies and the threshold gains of the laser modes.

导出了激光模的色散关系、共振频率和阈值增益的近似解析表达式。

dict.cnki.net

Barter is also popular with government officials for the purely selfish reason that its approximative and opaque nature allows more than the usual scope for bribery and extortion.

ECONOMIST: Russian economics