互惠的

The other main type of altruism for which we have a well-worked-out Darwinian rationale is reciprocal altruism ('You scratch my back and I'll scratch yours').

另一个主要的利己行为是互惠（你替我搔背，我也替你搔背），很好地吻合了达尔文原理。

And sincerely hope to establish long-term, wide-ranging strategic partnership, mutual benefit and development!

并真诚希望与之建立长期、广泛的战略合作伙伴关系，互惠互利，共图发展！

Ross company will be in the new century, I sincerely look forward to working with domestic and foreign friends and customer friendly exchanges, work together for mutual benefit, a total of Almon Fig.

罗斯通公司将在新的世纪中，诚挚地期望与国内国外朋友和客户友好交往、携手合作，互惠互利、共展鸿图。

Our facty insists on the principle "sincere service mutual profit". Warmly welcome all clients to contact make a deal with us.

我厂本着真诚服务、互惠互利的原则，热诚欢迎社会各界仁仕来人来电联系业务！

Don't put your trust in mutual funds unless they are fully indexed.

不把你的信任互惠基金，除非他们完全索引。

Domestic and oversea traders are welcome to negotiate for our development and for opening up a new situation of the culture of konjak food as a health-conducive food.

我们将遵循&诚信双赢、互惠互利&的原则，愿同社会各界人士发展合作关系，欢迎海内外客商前来洽谈，共谋发展，共创魔芋健康食品文化新境界。

Eva Linder, au pair in Florida

伊娃琳达，在福罗里达州的互惠生

Ficus - bees are symbiotic system of plants belong to banyans moraceae with little bees pollinate banyan with the ecology benefit form.

榕-蜂共生系统是桑科榕属植物与传粉榕小蜂专一互惠形成的生态学关系。

We also consider a parabolic system in a three species mutualistic modelIt is shown that any solution with time delays is global.

我们还研究了另一类三种群单链环状互惠抛物模型并考虑了具时滞的问题。

Fig/fig pollinator mutualistic systems are exploited by non-pollinating fig wasps.

榕树与传粉榕小蜂的互惠共生体系被多种非传粉榕小蜂利用。

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。