Document是什么意思？

The team at Frontpoint addresses the issue in a blog on its site, citing their own jam protection software and claiming that there aren't any documented cases of successful jam attack since the company began offering wireless security sensors in the 1980s.

The authors documented an annual drop of as many as 120,000 cases of heart disease, 66,000 instances of stroke and 99,000 heart attacks caused by high blood pressure after a 3-g-per-day reduction in salt.

Fetch the documents signed by Mr Gartner.

Go upstairs to sign some document.

finally, the FBI received a tip that the stolen document was located very close to Washington, D.C.

We need more funding and more effort to return these languages to everyday use, says Fred Nowuski of the National Museum of the American Indian, We are making progress but money needs to be spent on revitalising languages, not just documenting them.

In 2011 they released a landmark study titled Academically Adrift, which documented the lack of intellectual growth experienced by many people enrolled in college.

Educators may fear that children hearing two languages will become permanently confused and thus their language development will be delayed ;this concern is not documented in the literature.