What can be inferred from the development in mass-communications?

How long will the communications last? Communications will continue until ______ has been completed.

Marketing communications

9-6. The main mass transfer modes<br/>of solid state sintering are ( ). A: evaporation-condensation<br/>mass transfer B: diffusion<br/>mass transfer C: flow<br/>mass transfer D: solution-precipitation<br/>mass transfer

Communications technologies ar...focuses on ________.

Memos are not used for_______________. A: internal communications B: employee instructions C: external communications D: announcing policies

The radio communications with the ship stopped completely.

Which of the following is an element of a communications plan?

该DOI号:10.1002/marc.200700733对应下列哪篇文献?() A: Macromolecular<br/>Rapid Communications, 2008, 29, (6), 485-496. B: Macromolecular<br/>Rapid Communications, 2009, 29, (6), 455-466. C: Macromolecular<br/>Rapid Communications, 2008, 29, (6), 455-466. D: Macromolecular<br/>Rapid Communications, 2009, 29, (6), 485-496.

The mass of a proton is (    )