By using the density theory of theories of Numbers, the article gives the density discrimination method determining the convergence and divergence characteristic of the positive term series.

借鉴数论方法中的密率论，给出判别正项级数敛散性的密率判别法，此方法特别适用于判定一些较难或不能给出通项表达式的级数的敛散性。

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The present paper introduces the optimized design of valve springs of the internal-combustion engine by the duality method of the geometric programming with the positive term equations of constraint.

本文对内燃机汽门弹簧进行优化设计，采用了约束正定式几何规划对偶法。

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Organic fertilizers will have very positive results in the long term.

有机肥料从长远来看将产生非常积极的效果。

《柯林斯英汉双解大词典》

"I think,structurally this is a long-term positive with some short-term pain,".

VOA: standard.2009.12.02

And then the repulsive term, some positive coefficient r and r to a very high number.

然后排斥力，一些正系数,以及具有很大数值的。

麻省理工公开课 - 固态化学导论课程节选

They look in the professional people who are able to manage their emotions better and lead to positive emotions, get out of this narrow and constrict to the broaden and build are in the long term more successful.

他们调查专业人士,能更好地控制自己的情绪,获得积极情绪，脱离狭窄收紧进入扩建的人,长远会取得更大成功。

哈佛公开课 - 幸福课课程节选

Tera, the assistant, assured him that it was a positive term.

NEWYORKER: Leap of Faith

It should be noted that even if the December lows were broken, the long-term positive action of the on-balance volume (OBV) indicator would still keep my long-term trend analysis positive.

FORBES: 80-Year-Old Wisdom That Still Works

Do you think less outlets to buy games and less possibility to recoup the cost of gaming is going to have a positive long term effect in building a customer base that may buy new later?

FORBES: Would You Spend $400 on a Playstation 4?