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1·The experimental results show that the above-mentioned method can be used not only as estimative analysis but also as quantitative analysis of mechanism balance.

机构支座约束反力的理论计算和实测结果表明：上述测试台不但能用于机构平衡的定性分析，还能用于机械平衡的定量分析。

2·At the same time, as a result of limitations of investigation and basic financial data of the project is estimative and forecast able, financial evaluation has unavoidable limitation.

同时也指出，由于市场调研分析存在一定的局限性、项目基本财务数据出于估算和预测，因而财务评估也不可避免地存在一定的局限性。

3·This dissertation mainly research solar power generation, using the measure of current pre-estimative arithmetic and voltage double-loop control to improve the wave of output current and voltage ;

本文主要针对太阳能光伏电池发电进行了研究，采用电流预估计算法和电流电压双环控制的方法提高逆变输出的电流电压波形；