At the same time, the feasible ore and rock haulage systems are, in detail, compared in respects of technological process, land requisition, capital investment, operation cost, etc.

同时，从工艺技术、征地、基建投资、运行费用等技术经济方面分别对可行的矿石和废石运输系统进行了详细的比较。

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However, there are also problems in the method of human capital investment revenue and range of human capital investment revenue and cost.

但是，关于人力资本投资收益的计量方法、人力资本投资收益与成本计量范围等方面仍然存在需要深入钻研的问题。

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Therefore, it is a special fund differing from either investment of capital construction or general production cost.

因此，它是一项既不用于基建投资又有别于一般生产费用的特殊资金。

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