因为这些数据是以有已知生育问题的男性为基础而得出的，所以还不清楚它是否适用于同年龄的所有男性。
Because the data are based on men with known fertility problems, it's not clear whether the results apply to all men as they age.
IRR经常用于资本预算，它是使得所有现金流动的净现值为零的利率。
Often used in capital budgeting, IRR is the interest rate that makes net present value of all cash flow equal zero.
Arch的优势之一是虽然它是为分散操作所设计的，但也可以用于集中存储库范例。
An advantage to Arch is that while it was designed for decentralized operation, it can also be used in the centralized repository paradigm.
Nagios是一个主机和服务监视程序，用于提示网络问题。它是为Linux设计的，但是可以在大多数 *NIX变体下工作。
Nagios is a host and service monitor designed to inform you of network problems before your clients, users, or managers do -- it was designed for Linux but works fine under most *NIX variants.
这种药物作用于线粒体，它是细胞能量的来源，为我们的身体提供化学能量。
The drugs target mitochondria, the cellular power generators that provide our bodies with chemical energy.
这种药物作用于线粒体，它是细胞能量的来源，为我们的身体提供化学能量。
The drugs target mitochondria, the cellular power generators that provide our bodies with chemical energy.
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