钻石戒指

In every part, it tries discussing the problems in Indian and American foreign policy, and deeply analyzing them in the important events that can effect the US-Indo relation. At the last, it draws the conclusion in five facets, they are the uncertainty of American South Asia policy, the Indian nonalignment policy, the background of the Cold War, the coherency and contradiction of the two countries system and profit, and the personal factor.

试图分别从两国对外政策的演变中探求造成两国关系变化的原因，并在其后的具体历史事件中进一步分析，最后从美国政策的不稳定性、印度的不结盟政策、冷战的历史背景、两国在制度和利益上的一致性与矛盾，以及个人因素五个方面得出影响印美关系因素的结论。

It is suggested that exploitation of the beneficial microorganisms should be strengthened, production merchandised, and the consciousness of the personnel in the tobacco organization improved.

建议加大微生物菌剂的开发力度和大田试验验证及商品化程度的完善，并加强行业人员对微生物农药重视意识的培训。