A numerical result of an optimization design based on reliability and redundancy subject to cost in complex system is provided in the paper.

给出了一复杂系统在造价约束下的可靠度和冗余数的并发优化设计结果。

youdao

Mr. Obama's plan to curb carbon dioxide emissions, though necessary, will be far from cost-free, whatever his sunny speeches on the subject might suggest.

尽管奥巴马的二氧化碳减排计划是必要的，但这远不是免费的，无论他在这个问题上发表的充满希望的演讲可能会暗示什么。

youdao

Mr. Obama's plan to curb carbon dioxide emissions, though necessary, will be far from cost free, whatever his sunny speeches on the subject might suggest.

尽管奥巴马的二氧化碳减排计划是必要的，但无论他在这个问题上发表的充满希望的演讲可能会暗示什么，这远不是免费的。

youdao

Remember: If your investment is held within an individual retirement account, Roth IRA, 401(k) or other tax-sheltered retirement plan, it isn't subject to cost-basis reporting.

WSJ: Tax Report: When Your Broker 'Outs' You

One reason is that in Britain they are subject to a cost-benefit assessment.

ECONOMIST: How Britain��s health system compares with America��s

We are too dim-witted to understand that taxpayers often seek out tax preparers because they have rental properties and become subject to the Cost Recovery, Passive Loss and At-Risk Rules.

FORBES: Dear IRS: A Tax Pro Fires Back