This paper demonstrates elements contents of soil in BeiJing City and the high grade and yield of crops has closely relationship with the following soil chemical elements.

论述了北京市土壤元素含量和农作物优质高产与土壤环境中化学元素有密切的关系。

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Introduce the way of high grade and high yield that brew vinegar in solid state whit the craft and the experience.

以固态法酿醋工艺结合经验介绍固态法酿醋的优质高产措施。

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Conclusion: Getting rid of alabastrums in breeding season we will gain hige - grade and high-yield medicinal herb.

结论：生育期内除去花蕾，才能获得优质高产药材。

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Specifically, an Obama victory will stoke fear of higher taxes on dividends and ordinary income, and drive a rotation out of investment grade and high-yield corporate bonds and into municipal bonds.

FORBES: Why You Should Buy Bonds, Especially If Obama Wins

Rogge thinks investment-grade and high-yield corporate debt, for example, are attractively priced for a difficult environment.

WSJ: World's Woes Leave Lasting Scars

Guggenheim Investments filled that gap with its BulletShares ETFs, a menu of investment-grade and high-yield corporate-bond funds.

WSJ: Bond ETFs for Investors Worried About Rising Interest Rates