查询词典 uncertain

It is uncertain all along that if the phase change vacuum boiler can be corroded obviously under super low temperature.

真空相变锅炉是否会明显发生烟气低温腐蚀，一直众说不一。

For the fourth to the sixth chapter, the evaluation methods and applications of ship transport economic benefits that have uncertain factors are debated.

第四章到第六章分别论述了含有不确定性因素的船舶运输经济效益评估方法与应用。

This paper has researched the airplane ground job operation using earliness and tardiness scheduling with distinct due windows,the mathematic model is established by fuzzy programming ,the uncertain processing time are denoted by the triangle fuzzy numbers,and simulation using particle swarm optimization is given to illustrate the efficiency of the presented models and the optimal algorithms.

对具有不同时间窗的提前/拖期调度方法应用于飞机地面作业调度进行了研究，用模糊规划建立数学模型，用三角模糊数表示了地面作业中时间的不确定性，应用粒子群优化算法对模型进行了仿真。

On condition that the nonlinear uncertain functions are gain bounded, a sufficient condition, which is dependent on the maximum value of the time derivative of time-varying delay, is presented for the existence of the controller.

在非线性不确定性满足增益有界条件下，得到了该类时变时滞系统依赖於时变延迟导数的最大值的满足鲁棒性能的一个充分条件。

The results showed that in addition to industrial solid waste, the relationship between foreign direct investment and sulphur dioxide and industrial waste water and soot is obvious; but for Shandong province, the overall impact of the environment is uncertain.

利用1981~2008年山东省实际利用外资额和二氧化硫、工业废水、工业固体的排放量的数据进行了实证分析，结果表明：除固体排放物外，外商直接投资增长与废气、废水变化之间的因果关系较为明显；但是对于山东省环境总的影响并不确定。

You may be kept cooling your heels in a janitor's office or a reception room before an interview is granted. Hearing that you are trying to get a steamer or air ticket, the much sought—after interviewer may reply in a cold and indifferent manner ,"Ah, that's difficult…Come see me next week …"Thereupon you seem to see a ray of hope , and you may also feel totally uncertain of success . All you can do is wait until then.

在传达室恭候，在会客室恭候，幸而见了那要见的人，他听说你要设法船票或飞机票，爱理不理的答复你说：&困难呢……下个星期再来打听吧……&于是你觉得好像有一线希望，又好像毫无把握，只得挨到下个星期再去。

The parameters of a car-engine were discreteness; nonlinear and uncertain characteristics, so a general average control model could not control accurately the excess air coefficient and the spark advance angle in dynamic procedure. A self-optimizing fuzzy control with an immune correction coefficient was proposed.

针对发动机参数具有离散性、非线性和不确定性，采用常规的平均值控制模型难以精确控制瞬态过程的过量空气系数和点火时刻的问题，提出了一种带免疫修正因子的自寻优模糊控制。

One new auto-optimized fuzzy control model of car-engines based on genetic arithmetic was introduced aiming at the problem that the parameters of car-engine are of the discreteness, the nonlinear and the uncertain characteristics, with which it is difficult to control accurately the excess air coefficient and the spark advance angle in dynamic procedure when using a conventional control model.

针对汽车发动机参数具有离散性、非线性和不确定性，采用传统控制模型难以精确控制瞬态过程的过量空气系数和点火时刻的问题，提出了一种基于遗传算法的发动机自寻优模糊控制模型。设计了实现该控制模型的嵌入式控制器，讨论了实时在线仿真基础上，采用遗传算法对模糊控制参数的自动寻优。

In view of the U.S. economy's present soft patch and of the uncertain global energy outlook, Mr. Greenspan would be well advised to keep an open mind as to what the data might inform him about the future direction of the US economy.

考虑到美国经济正处于疲软地带，而且全球能源市场前景未卜，我们建议格林斯潘先生不要心存偏见，当前的数据已经告诉他关于未来美国经济的趋势了。

Although I will leave for tianjin the day next tomorrow,the uncertain sensation with slop-over and comfort ,involves in my deeply heart today.

虽然后天才离家去工作，但今天却已有了一种莫名的伤感和快慰笼罩着我的心灵。

Putt your way through 36 fun-filled holes of minigolf on 3D designed courses with elevated greens, bunkers, bridges and water hazards, among other crazy obstacles.

您的推杆方式，通过36个有趣的填孔迷你的三维设计的课程，以提升绿党，掩体，桥梁和水的危害，除其他疯狂的障碍。

Some participles can be used either as attributes or as predicatives.

有些分词既可当定语用，也可当表语用。