The difficulty to produce big-section and high-strength H-beam were analyzed, several feasible technology to produce big-section and high-strength H-beam were discussed.

从变形机理上对大规格H型钢生产存在难点进行了分析，并对国内为生产大规格高强度H型钢的几种可行技术进行了探讨。

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Before the disaster, it suffered from high death rates among babies and high rates of H.I.V./AIDS,hepatitis and other communicable diseases.

VOA: special.2010.02.01

Along with H.I.V., South Africa also has high rates of diabetes, high blood pressure and tuberculosis.

VOA: special.2010.04.28

The letters H-E-P-A represent the words High Efficiency Particulate Air.

VOA: special.2009.07.14

H. has high-speed Internet connectivity almost everywhere, thanks to 600 cheap Wi-Fi antennas in 150 buildings.

FORBES: Wi-Fi With a Coat and Tie

The data shows that since fiscal year 2008, the agency has issued 15% fewer H-1B high-skilled worker visas than the law requires.

FORBES: With the Economy Sputtering, Obama Must Allow High-Skilled Immigrants

Illinois immigration attorney David Rubman, suspicious that the annual 65, 000 H-1B high-skilled visa quota was not being filled, filed a Freedom of Information Act request, which U.S. Customs and Immigration Services (USCIS) complied with last week.

FORBES: With the Economy Sputtering, Obama Must Allow High-Skilled Immigrants