1) sub-marginal economical resources
次边际经济资源
1.
The result is that the black-spot ores are sub-marginal economical resources and are not worth exploring.
运用盈亏平衡品位方法,探讨了宜春钽铌矿采选黑斑矿是否经济合理,并进行采选决策;低品位黑斑矿品位低于目前的盈亏平衡品位,在现有技术经济条件下采选黑斑矿企业要亏损,黑斑矿为次边际经济资源,暂无开采利用价值。
2) identified-subeconomic resources
查明次经济资源
3) economic margin
经济边际
1.
Research on applied method of economic margin in exploration and production of oil-gas resources.;
经济边际在油气资源勘探开发中的应用方法研究
4) international mineral resources economy and trade
国际资源经济与贸易
6) economic resources
经济资源
1.
A Study on Reasonable Integration and Exploitation of Xinjiang s Economic Resources;
新疆经济资源的合理整合与利用问题研究
2.
In this paper,through the establishment of differential equation for the transmission of HIV with time,of the optimization model of the allocation of economic resources,and of the difference equation for HIV transmission,the HIV infection rate after t.
文章通过建立H IV随时间传播的微分方程及经济资源分配的优化模型,建立了H IV传播的差分方程,并根据以上模型,可预测经济资源优化分配后的H IV感染率,实现对现有经济资源的高效率的利用。
3.
Based on the idea and method of relative carrying capacity of resources,this paper selected Shandong Province and Jinan separately as the referential region,calculated relative carrying capacity of land resources,relative carrying capacity of economic resources and synthetic carrying capacity of resources from 1996 to 2003 and described the evolution.
以相对资源承载力的研究思路和方法,分别选取山东省和济南市作为参照区域,计算了1996—2003年长清区相对土地资源承载力、相对经济资源承载力和综合资源承载力及其动态变化过程。
补充资料：经济资源
经济资源是指一种稀缺的、要求一个非零价格的资源。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条