This has substantially increased the difficulty of R&D, led to soaring R&D costs, and finally threatened the progress of the whole project.

这就为研发增添了不少困难，导致研发成本上涨，最终威胁到整个项目的进度。

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Shanghai Liana Enterprise Co, Ltd is one of biggest LED and decorative lighting manufacturers in the world, which collects together research and development(R&D), production and sale.

上海乾屹实业有限公司是一家集研发、 生产与销售为一体的灯具企业，同时也是全世界最大的灯饰、礼品制造商之一。

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Alberto Ascherio led the study, he said vitamin D may become a future treatment for MS.

爱波特·艾斯可里欧主持了这项研究。他说，维生素D在将来有望成为治疗MS疾病的药物。

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"Deece," or D-I-X,led to "Dixie."

VOA: special.2009.08.02

Lackluster sales--including in the U.S., which provides 70% of its revenue--have led it to slash prices on its new 3-D platform and other products by as much as a third.

FORBES: Magazine Article

The idea surfaced only a week ago after Democrats on the committee, led by Blanche Lincoln (D-Ark.) broke with Republicans on bipartisan talks.

FORBES: Banks Fear Senate's Swap Desk Rules

D-Day was a resounding success, and Eisenhower led the Allies to victory in World War II.

FORBES: Lead Like It's D-Day