1·The positive polarity pulse will make better result for the samples than use negative polarity pulse.
对平行极化、方向指向阳极的样品，只要极化电场强度不是很大，宜选用正极性极化脉冲；
2·The corona inception voltage produced by negative polarity increased at first and then decreased, and corona characteristic has little changes.
负极性电晕起晕电压先升高后降低，电晕特性变化很小。
3·The circuit can output analog voltage signals with positive and negative polarity according to the phase relation of encoder signals of orthogonal output type.
它可以根据正交输出型编码器信号的相位关系，输出具有正负极性的模拟电压信号。
4·Negative polarity terms in the English language are composed of noun phrases, adverb phrases, prepositional phrases and adjectives with the meaning of micro-quantity.
英语中的否定极性词语大多由表示微量含义的名词(短语)、副词(短语)、介词短语和形容词等组成。
5·The unipolar transistor has a negative polarity or a positive polarity in accordance with the first terminal or the second terminal electrically connected to the unipolar transistor.
单极晶体管根据第一端子或者第二端子电连接于单极晶体管而具有负极性或者正极性。
6·The corona voice strengths and levels of radio interference produced by positive polarity wire have little changes, and those produced by negative polarity wire increase with temperature.
正极性导线电晕声音和无线电干扰变化都不大；负极性导线电晕声音和无线电干扰都增大。
7·The R-groups give the amino acids their physical-chemical characteristics such as polarity (hydrophobic or hydrophilic) and charge (acidic or positive versus basic or negative).
R基团赋予氨基酸物理化学特性，例如极性（亲水性和疏水性）以及电荷（酸性或正电荷，碱性或负电荷）。
8·We have spoken at length about negative and positive polarity as service to self and service to others.
我们已详细地谈论关于负面和正面极化，如同服务自我和服务他人。
9·The effect of electrostatic force of the drive voltage on the accelerometer had been researched when the bias voltage polarity is positive-negative configuration.
前人在研究驱动信号对传感器的静电力效应时，用偏置电压极性为正—负配置的驱动信号进行研究。
10·The main factors governing photoinduced toxicity of the anthraquinone are molecular polarity, the ability of electron transition and the largest negative net atomic charges.
影响蒽醌类化合物对大型溞光敏化毒性的主要因素是分子的极性、电子的跃迁能力和原子最负净电荷。