These regulations address track, equipment, railroad operating rules and practices, qualification and certification of locomotive engineers, control of alcohol and drug use, and other subject matters.

这些规定阐述了涉及诸多事宜，包括：轨道、设备、铁路的运营规定和操作方法、列车司机的资格鉴定和认证、酒精和药物的使用的管制等，以及其他主题。

youdao

This matters because the price of a given drug falls by more than 85% within a year of patent expiry in competitive markets like the United States.

之所以强调这一点，是因为在美国这样的竞争市场中，某一种药品的价格在专利到期的一年中下滑幅度超过了85%。

youdao

In recent years, the use of drug-carrying particles a few nanometres across has improved matters.

在最近几年，一种载体颗粒的使用使这种情况得到了改善。

youdao

Obesity represents "a desperate need, " says Jaideep Bajaj of consultancy ZS Associates, which advises drug firms on marketing matters.

FORBES: Sanofi Remains Tight-Lipped

The undersecretary first offered Chavez cooperation on matters related to drug trafficking when Chavez himself has provided more than enough evidence of his involvement in drug trafficking.

CENTERFORSECURITYPOLICY: The State Department and Chavez

The country's Food and Drug Administration, which regulates such matters, has recently decided that if a foodstuff contains more than 6.25g of soya per serving, manufacturers can state on its label that eating soya may reduce the risk of heart disease.

ECONOMIST: The technology of taste: Food for thought | The