Meanwhile, the listed company's assets, ROE, growth in the main business, and its industries are chosen as control variables.
同时将上市公司的资产、净资产收益率、主营业务增长率及所处行业等作为本研究的控制变量。
In the setting of related variables, we introduced company sizes, asset-liability ratio, and industry type as control variables.
在变量设定时，引入公司规模、资产负债率和行业类型作为控制变量。
Finally, the orbital elements are introduced as state variables and the accelerations are produced by equation as control variables, the space interception model is established.
最后，采用轨道根数作为状态变量，以航天器发动机产生的推力加速度作为控制变量建立空间拦截模型。
Finally, the orbital elements are introduced as state variables and the accelerations are produced by equation as control variables, the space interception model is established.
最后，采用轨道根数作为状态变量，以航天器发动机产生的推力加速度作为控制变量建立空间拦截模型。
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