The NP completeness of optional dominating set on planar graphs is thus proved.
研究平面图的选择控制集问题。
The design and implement of the bi interface selective control plan in LPG absorber is introduced.
重点介绍液化气吸收塔双界面选择性控制方案设计与实施过程。
Studies on the Selective Control of Alkynyl Cyclopropyl Alkanols with Iron-CatalystsWe have developed FeCl2 catalyzed ring expansion of alkynylcyclopropyl alkanols leading to alkynylcyclobutanols, which are a common structural unit of natural products and are of great importance in the area of pharmaceuticals and are versatile building blocks for further transformation as well.
本工作旨在研究铁、钯等过渡金属催化的反应选择性控制。
Secondly the optimal PWM mathematical model is established based on selective harmonic control as constraint conditions and the optimal goal function for residual voltage harmonic content.
建立了以选择性谐波控制为约束条件和剩余电压谐波含量为优化目标函数的PWM数学模型,并对该优化PWM数学模型进行优化求解,获得不对称逆变器电路输出的优化电平幅度比和优化PWM调制的开关角;根据电平幅度比变量k设置多电平电路以及开关角来控制多电平电路输出,对其PWM的调制效果进行了分析。
selective controls on goods
对商品的选择性控制
instruments of selective controls
选择性信用控制工具
A properties dialog box generally controls the current selection.
一般来说，属性对话框控制当前的选择。
The Role of Selective Attention in Interference Control of Children;
选择性注意在儿童干扰控制中的作用
Discussion on Selective Catalytic Reduction NOx Reduction Control System
选择性催化还原法脱硝控制系统论述
Analysis of effectiveness of selective mass vaccination with Typhoid Vi vaccine in the control of endemic typhoid
选择性普种Vi疫苗控制伤寒地方性流行效果
To control or select by means of a dial.
通过表盘控制或选择.
astern selecting pilot air valve
倒车选择控制空气阀
ahead selecting pilot air valve
正车选择用控制空气阀
Select a control category, and then select the control type you want to add.
选择控制类别，然后选择要添加的控制类型。
Prefrontal Cognitive Controls on Selective Attention;
前额叶的认知控制对选择性注意的作用
The Research on the Mechanism of the Selective Catalytic Reduction of NO_X;
选择性催化还原SCR控制NO_X排放的机理研究
Net Externalities,Compatibility and Standardization of Control/Open Tactics Selection;
网络外部性与企业技术控制/开放策略选择
The Research on Allocation of Corporate Control Rightsmodel, Feature and Option of Efficiency;
公司控制权配置:模型、特征与效率性选择研究
The Discussion on the Acidity Control of Alternative Titration in Complexometric Titration;
络合滴定中选择性滴定的酸度控制问题的探讨
Analysis of control system of selective catalytic-reduction flue-gas denitrification
选择性催化还原烟气脱硝控制系统的分析
The Performance and Choices of Electric Vehicle Motors-controller
电动汽车所用电机控制器的性能简介及选择
A General Optimal Multi Level PWM Method Based on Selective Harmonic Control
选择性谐波控制的通用优化多电平PWM方法