today the breakeven point between alternating cur-rent and direct current is approximately 400 miles (640 km) for overhead lines and 20- 25(32- 40 kin) miles for underground cable.

目前，交流输电与直流输电的等造价距离对于架空线大约为400英里（640公里），对于地下电缆大约为20一25英里（32—40公里）。

even it may take time before breakeven point can be met, you should at least ensure the cash on hand should maintain a comfortable level at all times.

即使可能要有段时间才能达至收支平衡，至少任何时候你都应该确保手头现金充裕。

the greatest height of footwall cutting is determined through the theoretical analysis of cut-off grade method and breakeven point method.

通过对边界品位法及盈亏平衡法的理论分析，确定下盘最大切巖高度。

you still need to know if there's a market for you products or services and you still need to know what the financial potential, startup costs and breakeven point will be.

你仍然要调查清楚你的产品和服务是否有市场需求，你也要清楚企业的财政潜力，创业成本，以及可能的盈亏平衡点。

especially near the breakeven point a number of small companies, marketing costs were expected to be clear cut.

特别是接近盈亏平衡点的一些小公司，营销成本预期将明确。

this paper discusses the breakeven point engineering volume, break even point unit price, profit and operating safety ratio in the contract of drilling engineering.

探讨了鉆井工程承包中盈亏平衡点工程量、平衡点单价、利润及经营安全率等问题。

based on the breakeven point in economic evaluation, a mathematical model and a cost-warning mechanism are established for effective control of cost.

依据经济评价中的盈亏平衡点，建立数学模型和成本预警机制，顺利实现成本的有效控制。

and by calculation the feasible breakeven point is obtained.

并通过计算得出了该项目可行的盈亏平衡点。

the breakeven point analysis is kernel content of the cost volume profit model.

保本点分析是量本利分析的核心内容。