The study and development of Pin Barrel Extruder mentioned above encounter such problems.

销钉机筒挤出机的开发改进，就遇到了类似得问题。

youdao

The current study and development of amorphous-nanocrystalline composite materials were reviewed.

本文综述非晶纳米晶复合材料的研究现状及进展。

youdao

And current situation of study and development of industrialization of three phase methanol synthesis process was introduced.

介绍了三相床甲醇合成工艺的工业化研究与开发现状。

youdao

She became interested in anthropology -- the study of the origin, development and actions of humans.

VOA: special.2009.02.22

"We're proposing that health researchers get involved in projects like housing, like economic development, certainly educational projects, and study the health effects hopefully the health benefits of these complex social, economic interactions.

VOA: special.2009.07.20

The results were surprising, and may be disappointing for people who believe mothers and fathers should share equally in the caregiving for their children, said Sarah Schoppe-Sullivan, co-author of the study and associate professor of human development and family science at Ohio State University.

FORBES: Dad's Off The Hook? Study Says Fathers Should Be A Little Less Involved In Parenting

Ironically, a study by Tufts Center for the Study of Drug Development economist Joseph DiMasi and Duke University professor Henry Grabowski found that between 1990 and 2005, 47% of oncology drugs received accelerated approval compared with 13% for all other drug classes.

FORBES: Media White-wash Flawed Study Of Cancer Drug Approvals

Overall responsibility for the design and implementation of the study was given to the National Institute of Child Health and Development, with input from a number of advisory and oversight committees, the Director of the NIH, and with the involvement of other government agencies (the Department of Health and Human Services, the Centers for Disease Control and Prevention, and the Environmental Protection Agency).

FORBES: What Caused A Billion Dollar Federal Study Of Child Health To Implode?