A computer algebra analysis method of weak controllability and weak observability for nonlinear systems is discussed.

The result shows that the joined-wing aircraft has high lift-drag ratio and specific stability and controllability.

研究结果表明,盒式布局飞机具有良好的升阻特性和特殊的纵向操稳特性.

The system user-friendly, better controllability.

本系统使用方便, 可控制性强.

Assurance, and drug safety, effectiveness, controllability and stability.

保证了, 用药的安全性, 有效性, 可控性和稳定性.

At last, the null controllability of the system is given.

最后给出系统零能控的结论.

The 4 ABS ensures directional stability and controllability during hard braking.

4ABS确保了紧急制动过程中的方向稳定性和可控性.

Finally, we consider the exact null controllability of the system.

第三部分考虑了系统的精确零能控性.

We adopted the micro-controller to improve the intelligence and controllability.

为了提高系统的智能化、可控化.

A control valve capacity versus its stroke affects its controllability.

模拟分析的结果可得到控制阀的流量特性,包括压损系数、流量系数等.

This makes the surfboards more controllable.

这会让冲浪板更好控制。

Control and optimize controllable cost of power supply to reach international medium level of comparable metropolis.

控制优化可供电成本,达到国际可比大型城市中等水平.

Frequency bandwidth and duty ratio are main specifications for the controllable neutron source.

频带宽度与占空比是可控中子源的主要技术指标.

The actual load has been replaced by a programmed controllable machine in experiment.

实验中采用一个可编程控制的电机来代替实际的负载.

The controllable ability is the important part of the mathematic learning.

效率意识是数学学习的重要保证.

Therefore, a controllable couplers used pulse width modulation.

所以一个可控的耦合器用来调制宽脉冲.

A kind of self associative memory model about controllable tolerant fault field is designed.

设计了一种可控容错域的自联想记忆模型.

This is controllable with thyroid supplements.

这是可控制的与甲状腺补充.

In laser cooling and trapping, the controllable force on the atom needs to be investigated.

在激光冷却与囚禁中, 需要对作用在原子上的压力进行研究.

The temperature is raised or held by the controllable silicon medium power heating.

其升温、保温是依靠可控硅中频电源加热,降温则是依靠环境自然冷却.

Import and export less controllable, as external demand and external conditions.

进出口可控性较少, 因为外需,外部条件的原因.

The slurry capability is the important factor preparation technology of porous bioceramics with controllable macrostructure.

浆料的性能是可控多孔生物陶瓷技术的重要影响因素.