General knowledge of the technological processes and detailed knowledge of the material administration.

了解工艺程序、熟知材料管理及其细节。

youdao

The Food and Drug Administration requires that natural flavors come from a natural material, but that's a broad category.

食品和药物管理局要求天然风味需来自天然的材料，但它是个很广义的分类。

youdao

Old material was removed, and all that's left is good, up-to-date information that's immediately applicable to UNIX systems administration.

比较陈旧的内容被删除了，所剩下的都是一些有用的最新信息，可以立即应用于 UNIX 系统管理。

youdao

Washington has provided material aid to the Calderon government and is coordinating anti-cartel efforts with Mexican authorities, using the Drug Enforcement Administration office in Houston as the spearhead.

VOA: standard.2009.12.18

But like a guilt-ridden suspect drawing attention to incriminating material, the administration insists on adding national security to the debate: A vengeful, menacing China would work to circumscribe U.S. options and harm U.S. interests if rejected on WTO, Berger argues.

CENTERFORSECURITYPOLICY: Say No To China

The Obama administration has aggressively investigated disclosures of classified information to the media, bringing more cases against people suspected of leaking such material than any previous administration, our correspondent adds.

BBC: Associated Press condemns US telephone record seizure

Although the 2004 law obligates claimant advocates not to omit material information, the Social Security Administration doesn't have a definitive policy about what should be submitted.

WSJ: Two Lawyers Strike Gold in U.S. Disability System