同时存在

Usually , equal amounts of positive and negative electricity are present and cancel each other's effect, and so we do not notice that any electricity is there at all.

在通常的情况下，等量的正负电同时并存，其作用相互抵销，因此我们根本不会注意到电的存在。

Kant assumes the existence of free will, but he fails to put such an abstract "postulation" of the subject's freedom into effect in man.

康德在设定"自由意志"之存在的同时，却无力使人们将这种抽象的主体的自由的"规定"真正在人身付诸实现，关键在于他还没有将这种道德意志真正内在化，与生命自身的良知性的动力统一起来。

The development and history of chemical control for powdery mildew was briefly reviewed, and some important fungicides and the mechanism of their action were introduced.

对植物白粉病的化学防治历史和发展进行了综述，同时介绍了一些重要的药剂及其作用机制，并讨论了白粉病化学防治中存在的问题。

So it is necessary to research on the development trend of wind power generation technology in China.

但同时也存在着诸多限制发展的问题，因此及早探讨我国风力发电技术的未来发展趋势十分必要。

The check for pre-existence of the name recording may not be what you want.

他会寻找相应的。gsm语音文件，如果不存在，提示主叫说出姓名并录音，然后振铃被叫，并播放相应的主叫录音信息语音，同时给被叫提供选择，如被叫按1，开始通话，按2-Noanswer，3-Torture，4-Dontcall，如果没有有效按键，呼叫终止，dialstaturs设置为应答。

Datang, Putian, ZTE, the firms tripod bridges will be through the network optimization of network planning in the pre-existence of the problem or the emergence of a new analysis of the situation on the tuning parameters of the network, and network planning to reinstate the deviation, and will the future network planning data provide a good reference information.

大唐、普天、中兴、鼎桥等相关厂商将通过网络优化对前期网络规划中存在的问题或出现的新情况进行分析，对网络参数进行调优，并扶正网络规划的偏差，同时将为未来网络规划提供良好的数据参考信息。

The routine diagnostic methods for GPMV were the Agargel precipitin assays, Serum-neutralization test , have been established. These methods have played important role in control of GPMV, but which has lower sensitivity and take longer time.

国内外学者先后建立了琼脂扩散试验、中和试验、血凝抑制试验等血清学诊断方法，在一定程度上为防治鹅副粘病毒病发挥了重要作用，但同时也存在灵敏度差、操作烦琐、检测所需时间长等不足，已不适应更有效地控制该病的需要。

In this article preliminary analysis current English hearing study has existed the main question, simultaneously elaborated English hearing study strategy and the study skill, for raise English study hearing level to provide the help.

本文初步分析了当前英语听力学习中存在的主要问题，同时阐述了英语听力学习的策略和学习技巧，为提高英语学习者的听力水平提供帮助。

Figure-attached symbol and presentational symbol have a close relationship while many in difference.

比附性象征与表现性象征存在着诸多方面的区别，同时又有着密切的联系。

On the basis of essential nonlinear characteristics in municipal wastewater biology treatment process ,control strategy of fuzzy self-revised method based on neutral network is adopted and some different degree of membership functions which will influence on control error are compared in order to improve control prevision.

针对城市污水生物处理过程存在的本质的非线性特性，采用了基于神经网络的模糊自校正方法的控制策略，同时为了提高控制的精度，比较了各种不同的隶属度函数对控制误差的影响。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失