Thus mathematics links the existence of H to a contribution to the mass of all particles with which H interacts.

根据这套数学公式，如果H粒子存在，那么所有和H粒子互相作用的粒子就有了质量。

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As a result, farms have grown increasingly reliant on temporary guest workers using the H-2A visa to fill the gaps in the workforce.

因此，农场越来越依赖使用 H-2A 签证的临时外籍劳工来填补劳动力缺口。

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Doctor Fukuda, an acting assistant director-general, said the W.H.O.has been working with the member states to prepare for a pandemic.

VOA: special.2009.06.10

So, I just want to write a few examples down with a few values for delta u or delta H or delta S, and see whether we can get any clues from what we see.

我先写一些例子,例子包含一些内能，自由焓和熵的变化数值，然后看从中,我们能不能得到一些启示。

麻省理工公开课 - 热力学与动力学课程节选

C H 3 So any time you see c h 3 here, remember that that's methyl and that's going to be a terminal group.

因此一旦你看到，记得这就是甲基,而且只能在结构的末端。

麻省理工公开课 - 化学原理课程节选

After the passage of the landmark Civil Rights Act, I worked to integrate USDA county offices and took the first group of black 4-H youth to compete in a state completion.

WHITEHOUSE: White House Rural Council Blog

No deliberations over a Hurd or an Apotheker can mean much when the board is content to let a company like H-P lurch from pillar to post in hopes of quick revenue injections to stave off inevitable market share erosions.

FORBES: H-P: Is There a Miraculous Recovery Ahead?

The new directors bring the number of women on the 13 member H-P board to a grand total of four, or nearly 31%.

FORBES: In H-P Board Shake-Up, More Women Rise To Top