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Pre-baked aluminium electrolytic cell is a non-linear, multivariable and time-varying system, its model is uncertain.

预焙铝电解槽是一种复杂的非线性、多变量时变系统，具有模型的不确定性，并且浓度、极距、温度和分子比等参数在线检测较困难。

It is difficult to detect the alumina concentration, polar distance, temperature and mole ratio on-line, so it is more easily to control pre-baked aluminium electrolytic cell by the method of intelligent fuzzy control.

因此，对于预焙铝电解槽的控制，采用智能控制方法更容易达到预期的控制效果。

For example, there are an aberration reducing triode in cathode lens of Philips electron gun and the pre-astigmatism system for anti-deflection astigmatism.

并且形成了以Philips彩管，SONY彩管，RCA公司的COTY彩管以及其它日本公司彩管为代表的四大彩色显象管系列。

As there was already pre-charge applied to the electroscope, an additional little charge caused reaction.

由于已经有预充电适用于验电器，额外收取很少引起的反应。

The elementary circuit of the receiver is made up of PIN photodiode , pre-amplifier, main amplifier , automatic gain control and regeneration circuit .

光接收机的基本结构由光检测器、前置放大器、主放大器、自动增益控制电路和再生电路所组成。

In inertia system K,geometric sphere is changed to elliptic sphere in K system by Lorentz transformation ,and the pre-sphere of optical wave in K system is changed to sphere in K system.

对惯性系K中的几何球面施以洛仑兹变换，在K′系得到扁椭球面；对K中的光波前球面，在K′系则得到球面；两者皆源于时空的基本属性，但前者是由于物体长度的相对性，后者则是由于光速的不变。

The experimental results indicated that the light-induced MR molecular reorientation effect, the so-called twisted angle, caused by the adsorbed MR, decreased with increasing ellipticity of the elliptically polarized green light. Notably, zero pre-tilt angle of LC alignment was achieved in this experiment.

再利用不同光强度的圆偏振绿光雷射激发MR，观察并探讨MR吸附的结果，实验结果显示在圆偏振光各方向能量均等的情况之下，不会有扭转角跟倾角产生，且在吸附面上有不均匀的成核现象发生。

The results showed that Jussiaea stipulacea Ohwi and Eichhornia crassipes had higher values of V and K than Elodea nuttallii, illuminated that the two floating macrophytes were proper for pre-treatment of the seriously polluted water.

结果表明：漂浮植物黄花水龙和凤眼莲具有较大的吸收速率V和K值，因此，它们更适合作为先锋植物对污染严重的富营养化水体进行前期的修复治理，待水体水质提高到一定的程度时，再利用去污能力低的沉水植物进行对修复水体水质的维持和提高，并在此基础上可逐步建立一个较为稳定的、生物多样性的生态系统。

It made me feel a little bit emasculated with my pre-pubescent girl's body with A-cups!

我就像是发育期只有A-cup的女孩，感到很弱。

The frequency of callus and embryoid formation may be efficiently increased when the spikes are pre- treated at 1—3℃ for 7 days before inoculation.

接种前对穗子进行适当的低温处理，可以有效地提高胚状体和愈伤组织的生成率。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。