The adoption of large-span bond-free prestressed concrete technology and tensioning device have ensured construction quality and saved construction cost of highrise building.

在高层建筑施工中采用大跨度无粘结预应力技术，并对其中的铺放技术、穴模加工、张拉设备等进行改造，使工程质量得到保证，成本也有降低。

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Instead, stay home, and find free entertainment. It's also a great way to bond with your family.

你在外面就避免不了各种各样的花销，而留在家里，你不但可以观看免费娱乐节目，还能增进与家人的感情——多棒啊！

youdao

After all, the Treasury-bond yield is the risk-free rate, off which other assets are priced.

毕竟，国债利率是无风险利率，其他的资产的定价都扣除了这个因素。

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Tax-free municipal-bond interest isn't subject to the 3.8% tax.

WSJ: Are You Ready for the New Investment Tax?

Municipal bond ETFs are nothing new. iShares, SPDR and PowerShares all offer municipal bond ETFs that either focus on particular states, like the iShares California AMT-Free Municipal Bond Fund ETF ( CMF), or provide national exposure to munis, like the Insured National Municipal Bond Portfolio ETF ( PZA) from PowerShares.

FORBES: Tax-Free ETFs For The Little Guy

Because the life insurance company we used for this analysis has the highest financial strength ratings, our comparison was made with top rated tax-free bond yields.

FORBES: Life's Tax Advantages